There are many infections that can set your proxy settings to keep you from getting to websites.

Tweaking.com - Repair Proxy Settings effectively turns the proxy off in the system allowing you to gain access.

All you need to do is, open, hit start and wait for it to finish.



As with the other Tweaking.com repairs, this one is also a part of Windows Repair.

Download @ http://www.majorgeeks.com/files/details/tweaking_com_repair_proxy_settings.html