Windows Genuine Advantage (WGA) is an anti-piracy system enacted by Microsoft that enforces Microsoft Windows online validation of the authenticity of several recent Microsoft operating systems when accessing several Microsoft Windows services, such as Windows Update, and downloading from the Microsoft Download Center.


At September Microsoft has released a new WGA 1.8.31.0 that causes Windows XP Professional wallpaper and background to auto reset to black screen every 60 minutes.
In this archive you find Remove WGA v1.2 to delete black screen and WGA files to free update you Windows XP or Vista


100% working on Windows Update and Microsoft Download Center.
This files just replace original Windows Genuine Advantage files form Microsoft, that allow you to free update from Windows Update and Microsoft Download Center. It need when you serial for windows not licensed. In other, if you have license windows you not need it.

Install WGA Notes:
1. Extract into a new empty folder
2. Run installer.bat