By Computer noob
Jul 7, 2006
  1. I've googled this and found out that it is essential to Windows, so I obviously need to keep it. But it is constantly using all of my cpu (100%), and I am wondering if there is any way to reduce its cpu usage.

    Thanks in advance
  2. Peddant

    Peddant TS Rookie Posts: 1,446

    Rundll32.exe is a windows file,but it can be invoked by spyware or if it`s not in the system32 folder,imitated by spyware.

    If it only happens briefly at start up,it`s probably OK.

    To rule out the spyware possibility go HERE ,follow the instructions and post an HJT log in the Security and the Web forum.

    If that isn`t the cause,I`ve seen rogue printer drivers and Nvidia cards mentioned in the past.

    You could try going into msconfig start up and unchecking everything except the Firewall.
  3. Sjbrand99

    Sjbrand99 Banned Posts: 260

    Is it in C:\WINDOWS\system32 ?
    Have you noticed 2 of the process running at once?
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