Remove Windows Genuine Advantage 1.8.31.0

I accidentally installed Windows Genuine Advantage Validation (WGA) 1.8.31.0 on my computer. Oh shit I pressed the Express Installation after the Windows Update pop up. It automatically started downloading the updates and the WGA update! I discovered on next logon that my pc desktop has changed to a plain black background. I went to C:\Windows\System32 and found ...

