RegSpy is a windows registry utility that spies on registry changes made by a program you have selected. It can be very useful for you. RegSpy will help You to track all little changes in your system registry made by other programs.
With RegSpy, you can:
Make a quick Snapshot and Rollback of registry changes for a selected application.
See changes of the registry in a convenient and usual form (RegEdit like).
Spy on an application you select.
Perform a quick call to RegEdit for viewing the real registry keys state.