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CPU Usage Spikes

Discussion in 'Windows XP' started by kazek, Apr 30, 2010.

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  1. kazek

    kazek Thread Starter

    Joined:
    Mar 12, 2008
    Messages:
    16
    In task manager my cpu usage keeps going up and down. Meaning it can be at 5-10% then all of a sudden it shoots up to 40-60%.
    Such that my CPU Usage History is like that of a heart monitor. So many spikes.

    [​IMG]

    This happens when I'm not doing anything.
     
  2. Phantom010

    Phantom010 Trusted Advisor

    Joined:
    Mar 9, 2009
    Messages:
    34,796
    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


    Can you tell which process is hogging that CPU?

    You could download and run the free Process Explorer. You'll be able to precisely identify the culprit. By right-clicking on the process showing high CPU and selecting Properties… > Threads tab, you'll be able to pinpoint the thread that's hogging CPU within the process. You'll need to slide the bar left of CSwitch Delta in order to see the CPU values.

    Process Explorer doesn't require any installation. Simply run the executable file once downloaded. Then, configure the Process Explorer window to your liking. You can even replace the Task Manager (CTRL+ALT+DEL) by clicking on Options > Replace Task Manager. You'll get a lot more features and details than with the Task Manager.

    To determine which Process might be hogging CPU, click on the little graphs located at the top right of the window. A new window with four graphs will open, the first one being CPU. Click inside the window and press the spacebar to freeze the display. This will make it easier to hover your mouse cursor over the CPU peaks in order to read which process(es) is/are creating them.
     
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