Windows Update fails to check for updates on Windows 7 Ultimate 64 bit.

Windows update fails with error code "c80003fa" or full "0xc80003fa". The search for answers from Microsoft and google provided a few resources, but nothing about the 64 bit version of Windows 7.

The 'Automatic update' service is also absent from the services.msc

This I think if applies also to Windows Live Messenger not me open a session because of an error "8e5e03fa."

I can provide WindowsUpdate.log on request.

Thank you

... I have not an antiviral program installed. Nor I have ever not to mention that the default windows Defender. Who now can not upload...

Windows Defender is NOT an antivirus application.

You see the effects of the hijackware infection give.

Backup of personal data (which none should be considered 100% reliable at this point) then do a format and clean install of Windows.  Please note that a repair installation (upgrade AKA on-site) won't fix this!

Once installed the clean, you will have the equivalent of a "new computer" in order to take care of everything on the next page before connecting the machine to the internet or a network otherwise and before using a USB key that is not brand new, or has not been freshly formatted:

5 steps to help protect your new computer before going online
     http://www.Microsoft.com/protect/computer/advanced/XPPC.mspx

~ Robear Dyer (PA Bear) ~ MS MVP (that is to say, mail, security, Windows & Update Services) since 2002 ~ WARNING: MS MVPs represent or work for Microsoft

Tags: Windows

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