Uninstalled due to DB errors. Reinstall failed with above error. Reso: Note #1: If your uninstalled and reinstallation gives you this error then this fixed it for me (clip from http://techblog.mirabito.net.au/?p=58) It’s a relatively quick fix though – Just delete “HKLMSoftwarePoliciesMicrosoftWindowsWindowsUpdate”, restart the Windows Update service (wuauserv) and then you should be good to go. […]