Remove \ Disable Office Genuine Advantage Notifications

Run Registry Editor (RegEdit.exe).
Go to each and every of the following registry keys, and any other which contains OGAAddin.connect registry value sub-key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Word\Addins
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Excel\Addins
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Powerpoint\Addins
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Outlook\Addins

Delete the OGAAddin.connect registry value.