Today I found "Windows Genuine Advantage" in Application data. I'm assuming that means that WGA has been installed on my computer. My Windows is legit so it doesn't matter anyway.
Edit: I just searched for updates and...
quote:
Windows Genuine Advantage Validation Tool (KB892130)
710 KB , less than 1 minute
The Windows Genuine Advantage Validation Tool enables you to verify that your copy of Microsoft Windows is genuine. The tool validates your Windows installation by checking Windows Product Identification and Product Activation status.
Total: 710 KB , less than 1 minute
guess not...