Laptop problem

  dazza39 19:59 27 May 2008
Locked

My wife has laptop Windows Vista 32 bit Home edition with firewall and Avast anti-virus, can switch on and everything comes on ok, but after about 20 mins get warning signal and then all of a sudden everythings goes from desktop and all your left with is background ?.Whats causing this.

  skidzy 20:07 27 May 2008

" but after about 20 mins get warning signal "

Do you mean left with your desktop screen of icons etc or a blue or black screen ?

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