Should dwm.exe be one of my running processes

Posted on 2011-04-22
Last Modified: 2012-05-11

I have downloaded Malwarebytes and have not found any malware running on my new Windows 7 machine.

I have a process dwm running and I am wondering if it should be.  I cannot find where it should or shouldn't be - only comments towards Malwarebytes.

I am experiencing hangs in Excel when copying data and cannot seem to locate the problem and I am wondering if this is my problem.



Question by:drozeveld
    LVL 4

    Expert Comment

    DWM is desktop window manager. And it is too runing on my Win7 (Pro). I am 99.99% sure that its a legitime programm which is running.
    LVL 1

    Accepted Solution

    Yes, it is an actual Windows process, but unless you're running Aero, it shouldn't be at 99% CPU.  Try disabling Aero or going to the Windows 7 Basic graphics mode to see if that helps.
    LVL 1

    Author Comment

    Thank you.
    LVL 4

    Expert Comment

    For me it eats < 7%, even if i have a lot of windows, with aero enabled and a lot of other unnecessary features.

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