Windows keep repeating

  charleyz 18:57 21 Apr 09

My problem is intermittent but incredibly annoying!
I will be online, often with a couple of websites open, when one of the windows will suddenly start repeating itself over & over, one on top of the other. I have tried 'ctrl, alt, del, then 'end process' (as advised on another site) but this doesn't work.
The only way to stop it is to shut down then re-open. This is a nightmare as I am studying & haven't got the time for this! Ideally I'd like to know what causes it so I can prevent it, rather than what to do when it happens (though I'll be happy for advice on that too!)
I am a long-term PC user but have very little understanding of how they work so please don't use too much technical language!
Many thanks!

  MAT ALAN 19:09 21 Apr 09

click here
click here
click here

could be spy/malware if you don't have the progs in the links download and run them (all free) all highly recommended..

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