Download Diagnostics Tools for Windows

Diagnostics

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Tweaking.com - Windows Repair - Tweaking.com - Windows Repair is an all-in-one repair tool to help fix many known Windows problems, including registry errors and file permissions. Video tutorial available.
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SFC Utility 1.1 [ 2018-09-16 | 1.44 KB | Freeware | 10|8|7|Vista|XP | 23842 | 5 ]

SFC Utility is a MajorGeeks user-designed SFC (system file checker) batch file that can be run without any user input.

LikeNEWPC 3.0.0 [ 2018-04-23 | 5.68 MB | Freeware | 10|8|7 | 14822 | 5 ]

LikeNEWPC is designed to fix disabled, badly infected, and slow computers. It uses 12 industry-leading tools to restore your computer to like-new, including Tweaking.Com Windows Repair.

HP Battery Program Validation Utility 8.0.7600 [ 2018-01-06 | 806 KB | Freeware | Win 10 | 10640 | 5 ]

HP Battery Program Validation Utility will check if the battery in your Hewlett Packard notebook to see it needs replacement part of the lithium-ion battery recall.

CoolerControl for Linux is packed with features for efficiently managing and controlling cooling devices.

Win10PE SE 2020-03-28 [ 2020-03-28 | 183.7 MB | Freeware | 10 | 36353 | 5 ]

Win10PE SE builds a Win10 PE (Preinstallation Environment) using your Windows 10 DVD.

Tweaking.com - Repair Windows Snipping Tool 1.9.10 [ 2013-01-31 | 973 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 11401 | 5 ]

Tweaking.com - Repair Windows Snipping Tool will try to repair the Windows Snipping Tool. This tool is included in Tweaking.Com - Windows Repair.

Tweaking.com - Repair .lnk (Shortcuts) File Association 2.8.8 [ 2015-04-02 | 1.27 MB | Freeware | Win 10 / 8 / 7 / Vista | 69670 | 5 ]

This will try to repair the .lnk (Shortcuts) File Association. These utilities are part of Windows Repair and no longer updated. MajorGeeks recommends you download the complete Tweaking.Com Windows Repair instead.

LatencyMon 7.31 [ 2023-07-31 | 4 MB | Freeware | 11|10|8|7 | 138505 | 5 ]

LatencyMon checks if a system running Windows is suitable for processing real-time audio and other tasks.

NoteBook FanControl (NBFC) 1.6.3 [ 2019-04-15 | 2.20 MB | Open Source | Win 10 / 8 / 7 | 57482 | 5 ]

NoteBook FanControl is a cross-platform fan control service for notebooks that permits you to adjust your fan speed.

Hot CPU Tester Pro 4.4.1 [ 2007-05-17 | 1.6 MB | Shareware $19.95 | Win 10 / 8 / 7 / Vista / XP | 185839 | 5 ]

Test CPU, chipset and all parts of motherboard for errors/bugs, defective parts, etc.

Kaspersky System Checker 1.2.0.290 [ 2019-02-26 | 51 MB | Freeware | 10|8|7 | 121968 | 5 ]

Kaspersky System Checker examines your system for any software vulnerabilities, malware, and viruses, as well as providing hardware details. Video tutorial available.

AIO Boot NewGen 23.06.02 [ 2023-06-02 | 14 MB | Freeware | 11|10|8|7 | 5062 | 5 ]

AIO Boot NewGen is the next iteration of AIO Boot, designed as a lightweight app that uses Grub 2.06 as the default bootloader.

BatteryCare 0.9.40.0 [ 2025-10-14 | 2.09 MB | Ad-Supported | 10|8|7|Vista|XP | 62907 | 5 ]

BatteryCare is designed to optimize the usage and performance of the modern laptop's battery.

Windows Health 1.0 [ 2022-09-20 | 67 KB | Freeware | 11|10|8 | 2999 | 5 ]

Windows Health is a small app designed to scan for and replace corrupted system files and DLLs.

Tweaking.com - Repair MSI (Windows Installer) 2.8.8 [ 2015-04-01 | 1.26 MB | Freeware | 10|8|7|Vista|XP | 157099 | 5 ]

This will try to repair the Windows Installer (MSI). These utilities are part of Windows Repair and no longer updated. MajorGeeks recommends you download the complete Tweaking.Com Windows Repair instead.

Microsoft Surface Diagnostic Toolkit 2.34.139.0 [ 2019-04-26 | 29.5 MB | Freeware | Win 10 | 18818 | 5 ]

Microsoft Surface Diagnostic Toolkit runs a series of tests to diagnose issues with Surface devices.

Clear All Event Logs in Event Viewer in Windows [ 2020-02-05 | 1 KB | Freeware | Win 10 / 8 / 7 | 11868 | 5 ]

Clear All Event Logs in Event Viewer in Windows contains a batch file to automate and simplify the process of deleting all of the Event Logs in Event Viewer in Windows. Alternative methods are explained in this tutorial. A video guide is also available.

IsMyTouchScreenOK 3.03 [ 2025-10-14 | 66 KB | Freeware | 11|10|8|7 | 5953 | 5 ]

IsMyTouchScreenOK is a portable app that allows you to check your LCD or plasma monitor for properly functioning multi-touch.

Enable Windows Error Reporting Crash Dumps 1.1 [ 2020-12-02 | 10 KB | Freeware | 10 | 1318 | 5 ]

Enable Windows Error Reporting (WER) Crash Dumps via PowerShell is a PowerShell script to enable or disable Windows Error Reporting full or minidumps.

RestartExplorer [ 2017-04-26 | 3 KB | Freeware | Win 10 / 8 / 7 / Vista | 4269 | 5 ]

RestartExplorer can do a 'graceful' restart of the Explorer shell (File Explorer, Windows Explorer) in Windows.

Chainsaw 2.13.1 [ 2025-10-07 | 4 MB | Open Source | 11|10|8|7|Linux|macOS | 4710 | 5 ]

Chainsaw allows advanced users to search and hunt through Windows Event Logs rapidly.

Batch Scripting Pack 1.0 [ 2018-01-15 | 35 KB | Open Source | Win 10 / 8 / 7 / Vista / XP | 3603 | 5 ]

Batch Scripting Pack is a collection of Open Source programs, many never finished, written in Batch Scripting Language for someone to learn from or modify.

Gamepad Tester .NET Edition 18.33 [ 2025-10-17 | 4 MB | Freeware | 11|10|8|7 | 3642 | 5 ]

Gamepad Tester is a portable app that allows you to test your Xbox controller's buttons, triggers, thumbsticks, and vibration motors for issues.

Default Programs Manager 1.0.2 [ 2020-05-29 | 786 KB | Freeware | 10|8 | 1938 | 5 ]

Default Programs Manager provides you with the ability to save your chosen default programs.

BATExpert 1.14.5 [ 2023-04-22 | 4 MB | Freeware | 11|10|8|7 | 61821 | 5 ]

BATExpert gives you a crystal-clear vision of your laptop battery health status right at your fingertips.

Boot-Repair-Disk 32-Bit 12/16/21 [ 2021-12-16 | 975 MB | Freeware | Windows Any | 75080 | 5 ]

Boot-Repair-Disk is a Linux-based bootable DVD designed to repair any Windows computer that won't boot. It is a tool for when all else fails. Available for 64-Bit here although they are rarely updated at the same time.

Tweaking.com - Windows Repair Portable 4.14.0 $\Hot$ [ 2023-06-01 | 56 MB | Freeware | 11|10|8|7|Vista|XP | 1689866 | 5 ]

Tweaking.com - Windows Repair is an all-in-one repair tool to help fix a large majority of known Windows problems, including registry errors and file permissions. The installer is available for download here.

Motherboard Monitor 5.3.7.0 $\Pick$ [ 2004-06-18 | 1.2 MB | Freeware | Win All | 2770000 | 5 ]

Displays information from the sensor chips on your motherboard.

Safe Mode Launcher 1.1 [ 2022-01-02 | 966 KB | Freeware | 11|10|8|7 | 5516 | 5 ]

Safe Mode Launcher is a portable utility that gives you a simple option through a Windows GUI for the Safe Mode options.

BlueScreenView 1.55 [ 2015-01-29 | 65.7 KB | Freeware | 10|8|7|Vista|XP | 244351 | 5 ]

BlueScreenView scans all your minidump files created during 'blue screen of death' crashes and displays the information.

OneNote Diagnostics Tool 1.0.0.0 [ 2016-07-28 | 1.75 MB | Freeware | Win 10 / 8 / 7 | 5229 | 5 ]

OneNote Diagnostics Tool is, as the name implies, a tool for helping gather data about OneNote issues enabling the Microsoft Support Team to address them in the most efficient manner.

Microsoft Debug Diagnostics Tool 2.3.0.37 [ 2021-03-05 | 27.3 MB | Freeware | 10|8|7 | 25892 | 5 ]

Microsoft Debug Diagnostics Tool is designed to help troubleshoot issues such as hangs, slow performance, memory leaks or fragmentation, and crashes in any user-mode process.

Tweaking.com - Register System Files 1.9.10 $\Pick$ [ 2013-01-31 | 959 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 15180 | 5 ]

Tweaking.com - Register System Files will register a list of Dll & OCX files in the System32 & SysWOW64 directories in Windows. This tool is included in Tweaking.Com - Windows Repair.

SimpleProgramDebugger 1.16 [ 2022-09-12 | 75 KB | Freeware | 11|10|8|7 | 13936 | 5 ]

SimpleProgramDebugger is a simple debugging tool for Windows that attaches to an existing running program or starts a new program in debugging mode and then displays all major debugging events that occur while the program is running.

Tweaking.com - Repair WMI 2.8.8 [ 2014-08-22 | 1.26 MB | Freeware | 10|8|7|Vista|XP | 55643 | 5 ]

This will repair the WMI on the system. WMI is used by many Windows services and 3rd party programs. When WMI becomes corrupt, these services and programs will fail. This tool is also a part of Windows Repair (All In One).

StressMyPC 5.66 [ 2025-08-16 | 101 KB | Freeware | 11|10|8|7 | 180737 | 5 ]

Stress My PC is a freeware stress testing software designed to perform a computer stress test.

Hiren's BootCD 15.2 [ 2018-06-21 | 593 MB | Freeware | Windows Any | 114385 | 5 ]

Hiren’s BootCD is an emergency, bootable diagnostic boot disk. Hiren's BootCD PE is an emergency diagnostic boot disk based on Windows 10 PE x64.

Boot-Repair-Disk 64-Bit 6/13/20 [ 2020-06-13 | 880 MB | Freeware | Windows Any | 138757 | 5 ]

Boot-Repair-Disk is a Linux-based bootable DVD designed to repair any Windows computer that won't boot. It is a tool for when all else fails. Available for 32-Bit here.

Game Controller Tester 1.7.26.0 [ 2020-12-17 | 4.53 MB | Freeware | 10 | 14725 | 5 ]

Game Controller Tester is designed to test all the buttons, triggers, etc., are functioning as they should.

TestCPU 0.96 [ 2002-02-18 | 580 KB | Freeware | Win9x/ME/NT/2K | 57357 | 5 ]

TestCPU is a processor detector and benchmark. It not only identifies your CPU and its features but also shows a picture of it. Runs simple benchmarks. It has a museum with pictures and feature info for every major Intel, AMD, Cyrix & Centaur CPU since the 386DX!

NotMyFault 4.21 [ 2022-09-29 | 2 MB | Freeware | 11|10|8|7 | 59192 | 5 ]

NotMyFault is a free tool to crash, hang, and cause kernel memory leaks to learn how to diagnose different device and hardware problems on Windows systems.

UBCD4Win 3.60 [ 2016-10-16 | 269 MB | Freeware | Windows Any | 585954 | 5 ]

UBCD4Win is a bootable CD which contains software that allows you to repair, restore, or diagnose almost any computer problem.

Not My Fault 4.20.0.0 [ 2019-06-18 | 1.02 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 13170 | 5 ]

Not My Fault can crash your computer in a number of different ways.

SpeedFan 4.52 [ 2016-06-29 | 2.94 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 1361087 | 5 ]

SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips.

EventLook 1.6.4.0 / 1.0.8.0 [ 2025-05-28 | Size Varies | Open Source | 11|10 | 3424 | 5 ]

EventLook is a free, portable app designed to be a better alternative to the Windows event viewer.

Precise CPU Stress 1.3.0.6 [ 2022-10-11 | 561 KB | Freeware | 11|10|8|7 | 6981 | 5 ]

Precise CPU Stress stresses your system in an adjustable and variable level based on CPU and RAM usage.

AdRem WMI Tools 8.0.0.16 [ 2015-09-01 | 8.9 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 13901 | 5 ]

WMI Tools is a useful diagnostic tool which allows you to, remotely or locally, access all WMI information.

RDP-Parser 1.1 [ 2018-12-09 | 2.86 MB | Open Source | Win 10 / 8 / 7 / Vista / XP | 2329 | 5 ]

RDP-Parser extracts RDP activities from Microsoft Windows Event Logs. This tool has been designed for any investigation involving exploitation of RDP service. It supports Evt and Evtx formats.

Microsoft Sysinternals Suite 13.10.2025 [ 2025-10-13 | 167 MB | Freeware | 11|10|8|7 | 396260 | 5 ]

Microsoft Sysinternals Suite is a portable app containing dozens of Sysinternals troubleshooting utilities and Help files.

Diagnostic Data Viewer 4.2007.3014.0 [ 2020-11-01 | 29.7 MB | Freeware | 10 | 4993 | 5 ]

Diagnostic Data Viewer allows you to instantly view the diagnostic data that Microsoft collects from Windows and Office in real-time based on the privacy choices made in your diagnostics settings.

ConfigMgr Client Health 0.8.3 [ 2020-11-16 | 3.40 MB | Freeware | 10|8|7 | 11540 | 5 ]

ConfigMgr Client Health detects and fixes known errors in Windows and the Configuration Manager Client and enforces required services to run and start as Automatic.

Calibrite PROFILER 3.0.2 [ 2025-09-30 | 253 MB | Open Source | 11|10|8|7|macOS | 1419 | 5 ]

Calibrite PROFILER provides an intuitive and easy-to-use calibration software solution for Calibrite calibration devices.

Microsoft Support and Recovery Assistant (SaRA) 17.01.2465.000 [ 2024-11-22 | 82 MB | Freeware | 11|10 | 26153 | 5 ]

Microsoft Support and Recovery Assistant (SaRA) is a desktop client that enables Microsoft customers to troubleshoot and diagnose their issues.

Ultimate Boot CD (UBCD) 5.3.9 $\Hot$ [ 2020-08-18 | 803.4 MB | Freeware | Windows Any | 971683 | 5 ]

Ultimate Boot CD (UBCD) is a bootable ISO that consolidates as many diagnostic tools as possible into one bootable CD, DVD, or thumb drive.

BIOS Beep Codes Viewer Portable 11.1.1.1959 Beta 1 [ 2023-11-02 | 3 MB | Freeware | 11|10|8|7 | 1040 | 5 ]

BIOS Beep Codes Viewer Portable helps diagnose computer issues by interpreting BIOS beep codes during system checks and start-up. Instraller also available.

ExecutedProgramsList 1.11 [ 2016-03-21 | 52 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 23882 | 5 ]

ExecutedProgramsList is a simple tool that displays a list of programs and batch files that you previously executed on your system.

BIOS Beep Codes Viewer 11.3.1.1992 Beta 3 [ 2024-12-10 | 4 MB | Ad-Supported | 11|10|8|7 | 1179 | 5 ]

BIOS Beep Codes Viewer helps diagnose computer issues by interpreting BIOS beep codes during system checks and start-up. Portable version is also available.

WMI Explorer 2.0.0.2 [ 2017-10-05 | 221 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 18507 | 5 ]

WMI Explorer is a utility intended to provide the ability to browse and view WMI namespaces/classes/instances/properties in a single pane.

Error Messages For Windows 3.0 $\Hot$ [ 2013-04-06 | 162 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 114654 | 5 ]

Error Messages For Windows lets you look up Microsoft Windows error code numbers and tell you what it means.

DPC Latency Checker (DPC) 1.0.0.7 [ 2025-05-05 | 31 MB | Freeware | 11|10 | 4242 | 5 ]

DPC Latency Checker (DPC) is a valuable tool that helps identify and diagnose issues related to Deferred Procedure Call (DPC) latency on Windows systems.

Live Kernel Memory Dump 1.0 [ 2017-11-30 | 152 KB | Freeware | Win 10 / 8 | 4730 | 5 ]

Live Kernel Memory Dump (LKMD) is an advanced Windows console utility that allows you to dump live kernel memory without having to force the system down.

StressTheGPU 1.31 [ 2025-08-16 | 253 KB | Freeware | 11|10|8|7 | 1697 | 5 ]

StressTheGPU allows you to perform stressing and maxing out of your graphics cards.

Hard Drive Engine 1.2 [ 2023-05-25 | 3 MB | Freeware | 11|10 | 1698 | 5 ]

Hard Drive Engine enables you to run hard drive diagnostics through a simple but effective utility.

CPUCool (Russian and Chinese) 7.3.8 [ 2003-11-09 | 1.7 MB | Shareware $15.00 | Win 10 / 8 / 7 / Vista / XP | 33665 | 5 ]

CPU Cool is a set of tools designed to cool, optimize and monitor your system. Project has been abandoned.

Motherboard Monitor 5.3.7.0 Update 2 [ 2006-09-13 | 348 KB | Freeware | Win All | 68753 | 5 ]

Update Motherboard Monitor 5.3.7.0 to 5.3.7.2

Windows Repair Toolbox 3.0.4.8 [ 2025-09-29 | 7 MB | Freeware | 11|10|8|7 | 135634 | 5 ]

Windows Repair Toolbox includes most third-party applications and utilities you might need to repair any Windows problems in one small application. Video tutorial available.

Windows Malware Effects Remediation Tool 5.1 [ 2024-09-29 | 4 MB | Open Source | 11|10|8|7 | 5827 | 5 ]

Windows Malware Effects Remediation Tool is an Open Source tool for cleaning the aftereffects of malware infections.

Trinity Rescue Kit 3.4 Build 372 [ 2011-07-11 | 151 MB | Freeware | Windows Any | 210242 | 5 ]

Trinity Rescue Kit or TRK is a free live Linux distribution that aims specifically at recovery and repair operations on Windows but is equally usable for Linux recovery issues.

SystemRescueCd 12.02 [ 2025-08-23 | 1.1 GB | Open Source | 11|10|8|7|Linux | 161879 | 5 ]

SystemRescueCd is a Linux system rescue disk available as a bootable CD-ROM or USB stick to administrate or repair your system and data after a crash.

Windows Error Messages 1.0 [ 2006-09-26 | 220 KB | Freeware | Win XP/2003/08/Vista/Windows7 | 30074 | 5 ]

A very simple program for displaying Windows error messages.

Windows Internals Book Tools 7th Edition [ 2017-12-08 | 4.72 MB | Open Source | Win 10 / 8 / 7 / Vista / XP | 7265 | 5 ]

Windows Internals Book Tools uses many tools to demonstrate various features of the Windows operating system.

Bart's PE Builder 3.1.10a [ 2016-10-16 | 3.2 MB | Freeware | 10|8|7|Vista|XP | 209144 | 5 ]

Bart's PE Builder can build a bootable CD-ROM or DVD of Windows XP or Windows Server 2003. Project has been abandoned.

Repairs Windows XP Help and Support rev 03/25/2002 [ 2012-03-04 | 1.74 KB | Freeware | Win XP | 8523 | 5 ]

Repairs Windows XP Help and Support will repair your Repairs Windows XP Help and Support if it won't open.

Auslogics Chillmate 1.0.0.0 [ 2025-09-03 | 19 MB | Ad-Supported / Freemium | 11|10|8|7 | 348 | 5 ]

Auslogics ChillMate is a compact yet powerful tool designed specifically to address the common issues of laptop overheating, battery drain, and intrusive fan noise.

The Ultimate Troubleshooter 4.92 [ 2010-03-06 | 23.8 MB | Shareware $29.00 | Win 10 / 8 / 7 / Vista / XP | 59546 | 5 ]

The Ultimate Troubleshooter (TUT) is a PC tuning and troubleshooting tool. Project has been abandoned.

Xbox One Controller Tester 1.4 [ 2023-01-06 | 21 MB | Freeware | 11|10 | 694 | 5 ]

Xbox One Controller Tester allows you to test your Xbox controller.

Sys_Minion 2024.12.98.1 [ 2024-12-23 | 4 MB | Freeware | 11|10|8|7 | 14586 | 5 ]

Sys_Minion is geared towards providing shortcuts to a small list of common, hard-to-find, and even hidden Windows utilities. Video tutorial available.

QuickDiag 8.28.22.1 [ 2022-01-29 | 5 MB | Freeware | 10|8|7 | 16674 | 5 ]

QuickDiag will quickly scan your machine resulting in a detailed report about all software and hardware components.

All in One – System Rescue Toolkit 2018-01-02 [ 2018-01-03 | 663 MB | Freeware | 10|8|7|Vista|XP | 119079 | 5 ]

All in One – System Rescue Toolkit is designed to quickly and efficiently aid a technician with troubleshooting and repairing Windows based PCs. Lite version also available.

All in One System Rescue Toolkit Lite (AiO-SRT Lite) 2018-01-02 [ 2018-01-03 | 4.57 MB | Freeware | 10|8|7|Vista|XP | 39317 | 5 ]

All in One System Rescue Toolkit Lite (AiO-SRT Lite) provides users with an easy-to-use troubleshooting tool using critical automated processes borrowed from the author's full version of the same name.

CPUCooL Beta 7.3 [ 2004-06-27 | 954 KB | Shareware $19.95 | Win 10 / 8 / 7 / Vista / XP | 25299 | 5 ]

CPU Cool is a set of tools designed to cool, optimize and monitor your system. Project has been abandoned.

Hiren's BootCD PE 1.0.8 [ 2024-03-05 | 3.1 GB | Freeware | Windows Any | 116856 | 5 ]

Hiren’s BootCD PE is an emergency diagnostic boot disk based on Windows 10 PE x64. Hiren's BootCD is the original emergency diagnostic boot disk.

Sergei Strelec's WinPE 64-Bit for Windows 10 and 11 2025.05.22 [ 2025-05-28 | 3.2 GB | Freeware | 11|10 | 24430 | 5 ]

Sergei Strelec's WinPE 64-Bit for Windows 10/11 creates a bootable DVD or thumb drive for PC maintenance, including partitioning, backup and restoring, diagnostics, data recovery, and more. There are 32 and 64-bit and a smaller update available.

Artifact Tester 5.0 [ 2002-01-18 | 118 kb | Freeware | Win 9x/ME/NT/2000 | 86891 | 5 ]

Test the stability of overclocked video cards.

Event Log Explorer 5.7 [ 2025-08-19 | 10 MB | Freemium | 11|10|8|7 | 30341 | 5 ]

Event Log Explorer enables you to diagnose any issues generated within Windows quickly.

AATools 5.92 [ 2005-12-22 | 2.1 MB | Shareware $75.00 | Win All | 43050 | 5 ]

A multithreaded network diagnostic tool.

UAC Pass 1.8 [ 2018-10-30 | 776 KB | Freeware | Win 10 / 8 / 7 / Vista | 15033 | 5 ]

UAC Pass is a portable utility that allows a la carte choosing of administrative rights for specific apps without complete UAC deactivation.

TailExpert 1.0.8265.20824 [ 2022-10-03 | 33 MB | Freemium | 11|10|8|7 | 106516 | 5 ]

TailExpert is a reliable system tool that analyzes log files, event logs, debug logs, and system logs.

Super Grub2 Disk 2.06s4 [ 2024-07-31 | 94 MB | Open Source | Windows Any | 15893 | 5 ]

Super Grub2 Disk enables you to boot into most operating systems when you are not permitted to do so by conventional means. This download includes the USB and CD or DVD ISO.

Sergei Strelec's WinPE 2025.09.07 [ 2025-09-08 | 4.5 GB | Freeware | Windows Any | 930968 | 5 ]

Sergei Strelec's WinPE creates a bootable DVD or thumb drive for PC maintenance, including partitioning, backup and restoring, diagnostics, data recovery, and more. Current users can download the smaller update here or 64-bit Windows 10/11 only here.

CPUCooL 8.1.0 $\Hot$ [ 2011-12-05 | 4.00 MB | Shareware $17.95 | Win 10 / 8 / 7 / Vista / XP | 752410 | 5 ]

CPU Cool is a set of tools designed to cool, optimize and monitor your system. Project has been abandoned.

CPU Stability Test 6.0 [ 2002-01-18 | 430 KB | Freeware | Win All | 297142 | 5 ]

Torture test your computer's Central Processing Unit.

Imtec Battery Mark 1.1 [ 2014-11-07 | 646 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 14973 | 5 ]

Imtec Battery Mark is a program designed to test the battery laptop. Project has been abandoned.

Error Lookup 2.6.1 [ 2025-01-07 | 597 KB | Freeware | 11|10|8|7 | 42547 | 5 ]

Error Lookup is a lightweight program for retrieving information about Windows errors.

Device Remover 0.9.5354.41410 [ 2016-10-16 | 5.60 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 104707 | 5 ]

Device Remover is a Device Manager alternative. Project has been abandoned.

Sergei Strelec's WinPE Update 2025.04.24 [ 2025-04-24 | 1.2 GB | Freeware | Windows Any | 16945 | 5 ]

Sergei Strelec's WinPE Update is for updating to the latest version of Sergei Strelec's WinPE.

WPI – Windows Performance Indicator 1.0.2 [ 2016-09-23 | 629 KB | Freeware | Win 10 / 8 | 9247 | 5 ]

WPI – Windows Performance Indicator is a small and easy-to-use system performance tester.

Tweaking.com - Windows Repair 4.14.0 $\Hot$ [ 2023-06-01 | 55 MB | Freeware | 11|10|8|7|Vista|XP | 4201477 | 5 ]

Tweaking.com - Windows Repair is an all-in-one repair tool to help fix many known Windows problems, including registry errors and file permissions. Video tutorial available.

Switch Hitter 1.0 [ 2015-06-18 | 640 KB | Freeware | 10|8|7 | 104264 | 5 ]

Switch Hitter is a keyboard diagnostic program that allows for key actuation testing and aims to alleviate difficulty in switch bounce/chatter diagnosis.

Tweaking.com - Technicians Toolbox 1.2.0 [ 2016-03-29 | 6.08 MB | Freeware | 10|8|7|Vista|XP | 62812 | 5 ]

Tweaking.com - Technicians Toolbox is a collection of powerful tools to help both the technician and home users. From the author of Tweaking.Com - Windows Repair.Portable version also available.

Tweaking.com - Technicians Toolbox Portable 1.2.0 [ 2016-03-29 | 3.43 MB | Freeware | 10|8|7|Vista|XP | 61610 | 5 ]

Tweaking.com - Technicians Toolbox is a collection of powerful tools to help both the technician and home users. From the author of Tweaking.Com - Windows Repair. Installer version also available.

Dr. Hardware 2018 18.0.0 [ 2018-01-11 | 3.22 MB | Shareware $29.00 | Win 10 / 8 / 7 / Vista / XP | 132753 | 5 ]

Dr. Hardware is a fully-featured system information and diagnostic app.

AIO Boot 0.9.9.19 [ 2020-10-24 | 32.4 MB | Open Source | Windows Any | 100648 | 5 ]

AIO Boot can help you create a bootable USB with Grub2, Grub4dos, Syslinux, Clover, and rEFInd, as well as boot Windows and most Linux distributions.

SecurityCheck 1.4.0.53 [ 2017-10-29 | 506 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 6356 | 5 ]

CheckSecurity is a utility for quickly checking for the presence of vulnerable applications.

Bootzilla 5.3.0 [ 2011-01-29 | 146 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 123131 | 5 ]

BootZilla is a toolkit of popular and effective tools to remove viral and spyware infections.

Intel Processor Diagnostic Tool 4.1.9.41 [ 2024-01-12 | 7-18 MB | Freeware | 11|10|8|7 | 48746 | 5 ]

The Intel Processor Diagnostic Tool is provided to verify the functionality of an Intel microprocessor.

HARDiNFO Professional 6.00 Build 3150 [ 2008-05-02 | 21 MB | Shareware $29.00 | Win 10 / 8 / 7 / Vista | 35753 | 4 ]

HARDiNFO Professional is a system information, diagnostic, network monitor, benchmark and computer management application. HARDiNFO Free for home users is available for download here.

WinCrashReport 1.25 [ 2016-08-01 | 174 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 17008 | 4 ]

WinCrashReport provides an alternative to the built-in crash reporting program of the Windows operating system.

WSCC - Windows System Control Center 10.0.1.1 [ 2025-09-27 | 7 MB | Freeware | 11|10|8|7 | 182856 | 4 ]

WSCC - Windows System Control Center is a freeware app that will install, update, execute and organize utilities from suites such as Microsoft Sysinternals and NirLauncher.

System Stability Tester 1.5.1 [ 2012-07-30 | 5.41 MB | Freeware | Win 2K/03/XP/Vista | 25365 | 4 ]

System Stability Tester tries to test the system's stability by calculating up to 128 millions of Pi. The calculation algorithm is the Quadratic Convergence of Borwein.

Watchdog - O - Matic 5.02 [ 2012-07-15 | 3.17 MB | Shareware $20.00 | 11 | 19921 | 4 ]

Watchdog - O - Matic can Monitor, restart & log applications to see if they are running correctly. Project has been abandoned.

Hmonitor 4.5.4.2 [ 2015-03-31 | 1.78 MB | Shareware $29.00 | Win 10 / 8 / 7 / Vista / XP | 71252 | 4 ]

Hardware Sensors Monitor (Hmonitor) utilizes sensor chips on smart motherboards to track system and CPU core temperatures, voltages and cooling fans.

Tweaking.com - Repair Windows Safe Mode 1.9.10 [ 2013-01-31 | 972 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 13140 | 4 ]

Tweaking.com - Repair Windows Safe Mode will apply the reg keys needed for safe mode to boot. Some viruses remove these keys. This tool is included in Tweaking.Com - Windows Repair.

XPBench 1.03 [ 2002-02-13 | 241 KB | Freeware | Win XP | 27352 | 4 ]

Query which Win XP features your video or driver combo supports.

RxTx 3.2 [ 2002-06-29 | 102 KB | Freeware | Win All | 28879 | 4 ]

Measures the data transfer of your computer.

Windows Event Viewer Plus 1.0 [ 2010-12-10 | 366 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 18820 | 4 ]

Windows Event Viewer Plus is a portable freeware app that lets you do more and view Event Logs faster than the default Windows Event Viewer.

PCISniffer 3.0 [ 2016-08-27 | 19.0 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 39835 | 4 ]

PCISniffer performs a complete PCI-diagnosis & reports device and vendor names as well as other PCI device information in plain text.

WhySoSlow 1.61 [ 2020-10-22 | 2.90 MB | Freeware | 10|8|7 | 31367 | 4 ]

WhySoSlow will analyze your system to try and find out why it's running slow.

IP Refresh Lite 1.1.9 [ 2002-03-14 | 1 MB | Freeware | Win All | 34307 | 4 ]

A free DHCP client diagnostic tool.

FileAccessErrorView 1.33 [ 2025-10-10 | 78 KB | Freeware | 11|10|8|7 | 10522 | 4 ]

FileAccessErrorView reveals error details when a program attempts to open/read/write/delete a file.

My BootDisk 2.71 [ 2003-07-07 | 569 KB | Shareware $25.00 | Win All | 54123 | 4 ]

Start-up disk with system repair utilities, NTFS support and more.

DiskSpeed32 3.0.0.5 [ 2002-09-26 | 378 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 45669 | 4 ]

A program for hard drive speed measurement.

Modem Doctor 3.1 [ 2005-11-10 | 369 KB | Shareware $9.95+ | Win All | 31555 | 4 ]

Performs over 60 tests of your modem and serial port.

Serial Device Test Utility 1.5.0.13 [ 2002-11-06 | 628 KB | Shareware $15.00 | Win All | 20251 | 4 ]

Designed to assist with the debugging of serial communications.

Passmark BurnInTest Windows 11.0 Build 1018 [ 2025-10-19 | 172 MB | Shareware $119.00 | 11|10|8|7 | 112439 | 4 ]

BurnInTest Windows is a software tool that allows all the major sub-systems of a computer to be simultaneously tested for reliability and stability. Also available for Linux.

SSW Diagnostics 3.89 [ 2006-08-01 | 6.7 MB | Freeware | Win All | 40288 | 4 ]

Keep your system up to date, and resolve software compatibility issues.

Tweaking.com - Repair MDAC & MS Jet 1.9.10 [ 2013-01-31 | 959 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 11398 | 4 ]

Tweaking.com - Repair MDAC & MS Jet will fix MDAC and MS Jet problems. This tool is included in Tweaking.Com - Windows Repair.

PCI List 2.22 [ 2002-01-20 | 153 kb | Freeware | Win 9x/ME | 38281 | 4 ]

Tests the capabilities of AGP Graphics cards.

Macs Fan Control 1.5.19 [ 2025-10-01 | 24 MB | Open Source / Freemium | 11|10|8|7|macOS | 9466 | 4 ]

Macs Fan Control allows you to control various vital aspects of fans including noise and overheating issues on Macintosh machines running Windows.

System Analyser 5.3x [ 2011-12-26 | 242 KB | Shareware $12.00 | Win 10 / 8 / 7 / Vista / XP | 42265 | 4 ]

System Analyser detects and provides information about all the hardware in your computer.

ToolStar Test 2.17k [ 2002-05-26 | 767 KB | Shareware | DOS | 31140 | 4 ]

ToolStar Test is a system information tool to see how your PC is configured, its exact performance characteristics, and how well the components are working together.

CompDoctor E-Book 4.0 [ 2007-12-16 | 15.4 MB | Shareware $14.95 | Win All | 44088 | 4 ]

A database of computer problems and how to fix them.

WinErrs 1.0 [ 2016-10-16 | 241 KB | Freeware | 10|8|7|Vista|XP | 50087 | 4 ]

WinErrs explains illegal operation or page fault errors (blue screen errors). Project has been abandoned.

WinComm 2.01 [ 2002-05-26 | 133 KB | Freeware | Win All | 25069 | 4 ]

Helps with testing through the COM port.

Battery Optimizer 3.2.3.6 [ 2022-02-04 | 3 MB | Freeware | 11|10|8|7 | 38552 | 4 ]

Battery Optimizer is an advanced laptop optimization utility that uses advanced diagnostics and testing to guide you to get better battery life.

Tweaking.com - Repair Volume Shadow Copy Service 1.7.4 $\Pick$ [ 2012-06-09 | 555 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 17828 | 4 ]

Tweaking.com - Repair Volume Shadow Copy Service may help when the Volume Shadow Copy Service doesn't run. This tool is included in Tweaking.Com - Windows Repair.

SF Diagnostic Tool 5.0.0.6 [ 2012-11-11 | 303 KB | Freeware | 10|8|7|Vista|XP | 32516 | 4 ]

SF Diagnostic Tool can collect the information required to analyze the Blue Screen of Death and other troubleshooting.

Passmark BurnInTest Linux 5.0.1020 [ 2025-07-29 | 6 MB | Shareware $135.00 | Linux | 78431 | 4 ]

Passmark BurnInTest Linux is a software tool that allows all the major sub-systems of a computer to be simultaneously tested for reliability and stability.

Asus Tempster 2.00 [ 2003-08-26 | 3.4 MB | Freeware | Win All | 78807 | 4 ]

CPU temperature monitoring and guarding software for Asus boards.

Malwarebytes Support Tool 1.9.15.1141 [ 2025-08-11 | 13 MB | Freeware | 11|10|8|7 | 12620 | 4 ]

Malwarebytes Support Tool assists you to troubleshoot issues with Malwarebytes for Windows and more.

SpeedFan 4.52 Beta 4 [ 2015-10-30 | 1.75 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 51655 | 4 ]

SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips.

Windows Error Lookup Tool (WELT) 3.0.7 [ 2013-04-06 | 411 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 31806 | 4 ]

Windows Error Lookup Tool allows you to type in an error code and display in English the error.

Crisis Aversion Tool 1.1 [ 2011-07-13 | 1.17 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 25907 | 4 ]

Crisis Aversion Tool aides in computer repairs with a large collection of commonly needed windows fixes, a full Restore Point Manager, research tools/links, and more.

Microsoft Windows Live OneCare Removal Utility 6.1.22.0 [ 2017-05-30 | 739 KB | Freeware | Win 10 / 8 / 7 / Vista | 32053 | 4 ]

Microsoft Windows Live OneCare Removal Utility can repair the firewall component of OneCare if not installed correctly.

TuffTEST 1.53 (00442) [ 2002-10-30 | 310 KB | Freeware | 10|8|7 | 51767 | 4 ]

TuffTEST is the first PC diagnostic software product that can automatically test any Intel-based or compatible desktop PC's major hardware components.

Daisy 2.2 [ 2004-04-27 | 2.4 MB | Freeware | Win XP/2003/08/Vista/Windows7 | 45337 | 4 ]

An intelligent auto-hotfix utility for Microsoft Windows 2000 and XP.

Fresh Diagnose 8.67 [ 2013-02-22 | 2.13 MB | Freeware | Win XP/2003/08/Vista/Windows7 | 188610 | 4 ]

Fresh Diagnose is an utility designed to analyze and benchmark your computer system. It can analyze and benchmark many kinds of hardware, such as CPU performance, hard disk performance and many more.

Microsoft Fix it Center Portable 3.5.0.41 [ 2012-04-03 | 340 KB | Freeware | 10|8|7|Vista|XP | 240828 | 4 ]

Microsoft Fix it Center Portable finds and fixes many common PC and device problems automatically.

Corsair Link 4.9.9.3 [ 2019-01-28 | 40.4 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 20754 | 4 ]

Corsair Link gives you access and control over case fans, lighting, compatible Corsair power supplies and Hydro Series liquid CPU coolers all from a centralized command center.

Riot Isolator 1.3 [ 2017-08-16 | 2.47 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 5897 | 4 ]

Riot Isolator is a complete suite of tools to optimize your privacy including RAM cleaner, drive cleaner, unlock files, eraser, anti-exploit, and more.

Windows UAC Manager 2.0 [ 2013-08-21 | 61.7 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 10050 | 4 ]

Windows UAC Manager is a free command-line tool to quickly enable or disable User Account Control (UAC).

SARDU 5.5.0 [ 2024-10-09 | 40 MB | Freemium | 11|10|8|7|Linux | 81036 | 4 ]

SARDU multiboot creator builds a multiboot USB stick (or other removable) for PC and Mac with Utilities, Antivirus, Windows PE, and more in a few minutes without making partitions and without any knowledge of Multiboot systems.

pcBaseline 1.0.3 [ 2008-02-28 | 9.04 MB | Shareware | Win 10 / 8 / 7 / Vista / XP | 15732 | 4 ]

pcBaseline allows you to create baselines (or snapshots) of vital aspects of your computer to track changes. Project has been abandoned.

HeavyLoad 4.0.0.400 [ 2025-08-05 | 18 MB | Freeware | 11|10|8 | 85179 | 4 ]

HeavyLoad is intended to stress all resources of a PC (like CPU, RAM, hard disk, network, operating system, etc.) in order to test if it will run reliably under heavy load.

Dependency Walker 2.2 [ 2006-11-16 | 596 KB | Freeware | Win All | 36379 | 4 ]

Builds a hierarchical tree diagram of all dependent modules.

DIAG 4.60 [ 2003-08-08 | 691 KB | Shareware $10 EUR | Win All | 40157 | 4 ]

Tests and benchmarks you hardware and software.

Windows XP & 2003 Laptop Battery Drain Bug [ 2006-05-18 | 569 KB | Freeware | Win XP/2003 | 27590 | 4 ]

Patch from Microsoft to address a laptop battery drain issue.

Runtime's DiskExplorer for FAT 4.30 [ 2012-09-16 | 1.7 MB | Shareware $49.00 | Win 10 / 8 / 7 / Vista / XP | 26421 | 4 ]

Runtime's DiskExplorer for FAT is a Windows based Disk Editor for FAT file systems.

Runtime's DiskExplorer for NTFS 3.41 [ 2009-06-15 | 1.61 MB | Shareware $69.00 | Win 10 / 8 / 7 / Vista / XP | 33689 | 4 ]

Runtime's DiskExplorer for NTFS enables you to investigate your NTFS drive and conduct your data recovery.

Protector Plus - Windows Vulnerability Scanner 5.4 [ 2015-04-23 | 1.48 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 185759 | 4 ]

Protector Plus - Windows Vulnerability Scanner checks your system for Windows Vulnerabilities.

TweakUAC 1.1 [ 2023-02-23 | 338 KB | Freeware | Windows Any | 66569 | 4 ]

TweakUAC can quickly turn UAC (User Account Control) on or off or make UAC operate in quiet mode.

BHT Unified Patch 3.2.0 [ 2007-07-02 | 1.39 MB | Freeware | Win All | 21921 | 4 ]

This will patch BHT from 3.1.0 to 3.2.0.

NVPerfHUD 2.1 [ 2005-05-30 | 2.2 MB | Freeware | Win All | 22690 | 3 ]

Analyze your graphics pipeline performance one stage at a time.

UAC Trust Shortcut 1.0 [ 2010-12-09 | 1.13 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 23894 | 3 ]

UAC Trust Shortcut can tell UAC (User Account Control) which programs you do not want a prompt for.

Trouble In Paradise (TIP) 2.1b [ 2004-09-11 | 49 KB | Freeware | Win All | 20608 | 3 ]

Iomega ZIP and JAZ drives suffer from a head positioning problem (servo stiction) that can actively and permanently damage perfectly good ZIP and JAZ drive media.

NWin 2.022 [ 2004-02-07 | 4.7 MB | Freeware | Win All | 21516 | 3 ]

A loudspeaker production test system.

Cable Modem Diagnostic 1.0.4 [ 2006-06-27 | 785 KB | Freeware | Win XP/2K/2003 | 54959 | 3 ]

Remote measuring of basis parameters of cable modems.

TechFacts XP 2.60 [ 2002-08-24 | 1.6 MB | Shareware $20.00 | Win All | 27619 | 3 ]

Complete diagnostics, monitoring and troubleshooting.

Net Guru 1.9b Build 128 [ 2002-01-20 | 1 MB | Shareware $15.00 | Win All | 22917 | 3 ]

A powerful tool to help you use you connection more efficiently.

NfoNak 6.1.1 [ 2003-08-27 | 661 KB | Freeware | Win XP | 24451 | 3 ]

A diagnostic screensaver program.

Wise PC 1stAid 1.48 [ 2016-11-01 | 3.72 MB | Freeware | 10|8|7 | 47517 | 3 ]

Wise PC 1stAid helps users diagnose and repair many common computer problems.

toolstar testWIN 1.38 [ 2009-08-17 | 4.04 MB | Shareware | Win 10 / 8 / 7 / Vista / XP | 24237 | 3 ]

toolstar testWIN can perform hardware tests under Windows and test your PC within its normal working environment.

Passmark Modem Test 1.3 Build 1013 [ 2012-05-09 | 809 KB | Freeware | 11 | 31930 | 3 ]

PassMark ModemTest allows users to test their dial-up modem by performing low-level testing independent of your Internet Service Provider and TCP/IP settings.

BatteryMon 2.1 Build 1010 [ 2017-08-09 | 1.23 MB | Shareware $24.00 | Win 10 / 8 / 7 / Vista / XP | 32583 | 3 ]

BatteryMon is an easy-to-use Windows based application for monitoring the performance of laptop batteries and uninterruptible power supplies (UPS).

OS Check 1.2 build 1000 [ 2005-05-26 | 429 KB | Shareware $15.00 | Win All | 25458 | 3 ]

Verify the installation of the operating systems and applications.

KeyboardTest 4.0 Build 1003 [ 2024-04-03 | 12 MB | Shareware $29.00 | 11|10|8|7 | 31805 | 3 ]

KeyboardTest can quickly check that all the keys are functioning correctly and look at the internal scan codes being generated by the keyboard.

SoundCheck 3.0 Build 1003 [ 2012-05-12 | 870 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 26353 | 3 ]

PassMark SoundCheck is a Windows based application that allows users to test their PC sound card, speakers and microphone.

Bad Shortcut Killer 2.0 [ 2013-06-14 | 1.68 MB | Freeware | Win 10 / 8 / 7 / Vista / XP | 26277 | 3 ]

Bad Shortcut Killer can clean your start menu and desktop from invalid shortcuts.

Connection Checker 1.12 [ 2002-05-29 | 706 KB | Shareware $10.00 | Win All | 27655 | 3 ]

Detects whether your connection to Internet functions or not.

HARDiNFO Enterprise 6.01 Build 3180 [ 2008-07-17 | 28.1MB | Shareware $114.00+ | Win 10 / 8 / 7 / Vista | 28207 | 3 ]

HARDiNFO Enterprise is a system information, diagnostic, network monitor, benchmark and computer management application. HARDiNFO Free for home users is available for download here.

WinDowse 5.3 [ 2016-11-11 | 601 KB | Freeware | Win 10 / 8 / 7 / Vista / XP | 30370 | 3 ]

WinDowse is an extremely convenient tool for obtaining necessary technical information about any window. Place a mouse cursor on a window, and WinDowse will show all parameters of the window and window class.

XS SysDetect 1.14 [ 2002-08-21 | 479 KB | Freeware | Win All | 30451 | 3 ]

Detects different aspects of your computer.

SimpleWMIView 1.56 [ 2025-04-19 | 93 KB | Freeware | 11|10|8|7 | 48862 | 3 ]

SimpleWMIView is a simple freeware tool for Windows that displays the result of WMI queries in a simple table and more

Panic Button 2.5 [ 2007-10-20 | 5.23 MB | Freeware | Win All | 13692 | 3 ]

Intended to help support end users by emailing screenshots or error codes.

CDSpeed 32 1.01 [ 2002-01-18 | 64 KB | Freeware | Win All | 27405 | 3 ]

CD drive speed measurement tool.

Asus Tempster Update 2.03 [ 2002-01-18 | 123 KB | Freeware | Win All | 36389 | 3 ]

Update file to Asus Tempster 2.00 to 2.03

Matrox Mini Diagnostic 2.10.00 [ 2002-04-03 | 885 KB | Freeware | Win All | 24295 | 3 ]

Diagnostic program for Matrox video cards.

PC Diagnose 2.00.162 [ 2007-04-09 | 414 KB | Freeware | Win All | 24932 | 3 ]

Determine actual speed of computer hardware components in realtime.

Iolo System Checkup 5.0.3.226 [ 2019-01-23 | 10.6 MB | Shareware $4.95+ | Win 10 / 8 / 7 / Vista / XP | 21845 | 3 ]

Find out what's slowing your PC down with a free 3-minute scan. Iolo System Checkup runs a comprehensive 148-point diagnosis on your computer and uncovers the 9 most severe root causes of errors, slowdowns, and crashes.

DriveSpeed 3.10 [ 2002-01-19 | 93 KB | Freeware | DOS | 26134 | 3 ]

Tests the write and read speed of any drive.

Microsoft Windows Explorer Crash in Windows 7 (Hotfix KB2638018) fixes the Windows Explorer crash when opened in Windows 7, or a registry fix is also provided.