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Desktop blanks every 30 secs or so for a second (icons and wallpaper) except for any active windows.

Windows update had stopped working and I ran the windows troubleshooter to fix the problem. It did but now have this desktop refresh problem.

I have all the latest updates and have used Windows virus checker and spybot to scan the hard drive. nothing found.

Windows 8 Enterprise 32bit Athlon X2 6000 - 3.1ghz 2 GB ram Geforce 9800 GTX+OC

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Sounds like a graphic display driver problem. Install the current driver for your card. Report all information in the future for instance WHICH update you last installed. –  Ramhound Jan 31 '13 at 16:02
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It seems you lost the browser cookie identifying you as "user194292". Please register an account on the site with the same email address as you asked the question with. Then click "flag" just below the question, and request that "user194292" be merged into your new account. Then you'll be able to edit the question to provide additional information. –  Daniel Beck Feb 1 '13 at 8:27

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