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Windows XP slow & 100% CPU even after format and reload

Discussion in 'Windows XP' started by mariaa33, Apr 16, 2010.

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  1. mariaa33

    mariaa33 Thread Starter

    Joined:
    Aug 7, 2008
    Messages:
    164
    My sister's computer initially was infected with hundreds of virus and only would show Windows backgroud (no icons or start menu). I ran antivirus and cleaned them up but cpu 100% still. After trying several suggestions on internet, I decided to format and load fresh copy of Windows but still 100% and very slow. so I let all the MS updates install and now up to SP3 but still 100% CPU. Everytime I run task Manager, taskmgr is the highest running process. This also occurrs with Process Explorer. I ran diags on Motherboard, HD, memory, video card, etc. and all passed. I also attempted to run in Safe Mode but the Mouse does not work in Safe Mode (maybe even the keyboard because ctl-alt-del does nothing. I am at my wits end with this computer. Does anyone have any suggestions? it is a Dell Dimension 2400.
     
  2. Phantom010

    Phantom010 Trusted Advisor

    Joined:
    Mar 9, 2009
    Messages:
    34,796
    How much RAM is on that computer?

    Also,

    Please click here to download and install version 2.0.2 of the HijackThis Installer.

    Run it and select Do a system scan and save a logfile.

    The log will be saved in Notepad. Copy and paste the log in your next post.

    Do not fix anything
     
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