When all else fails – just start over. The only guaranteed cure for all Viruses, Spyware, Trojans and software corruption.
Save all user data including Documents, Pictures, Videos, Music, Bookmarks and Desktop files
Format the computer’s hard drive (wipe all data including the OS from hard drive)
Reinstall a clean copy of Windows or Mac OS
Copy user data back to hard drive. Data will be placed in the original location from before the format.
Install updates. Using a high-speed internet connection, all Windows security patches and updates are downloaded and installed.
Install security software and setup for weekly scans.
Install any missing Drivers. (Drivers are small programs that tell Windows how to use the internal and external hardware. [E.g.: keyboards, mice, etc.])