Following three simple steps now you can get rid of the buggy Windows Genuine Advantage (WGA) notifications:
You should
backup up the registry , in case somethiong goes wrong.
1. Reboot Windows in safe mode (hold the f8 key while booting and you will get the option to boot in safe mode) and then:
2. Open Registry Editor (regedit.exe) and search for wgalogon folder and delete it.
3. In your windows directory search for files wga* and delete them.
You are done!Now reboot back normally and continue your work. Windows Genuine Advantage will not affect you anymore

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