When you access Microsoft Download Center or on the Microsoft Windows Update Web site, you are prompted to install an WGA ActiveX control (Windows Genuine Advantage Validation Tool) that performs a validation check to verify that your copy of Windows is genuine.
Here is Solution:
100% working on Windows Update, Microsoft Download Center and Microsoft Update .
A tribute to ETH0, creator of base version crack.
1. Extract into a new empty folder
2. Run installer.bat
Download : Windows Genuine Advantage Validation v188.8.131.52 CRACKED