High CPU usage Windows Vista new install

Posted on 2009-12-29
Last Modified: 2012-08-14
I have been having a terrible problem trying to figure out why I am getting 100% CPU usage when browsing the web after replacing the hard drive on my Dell XPS M1330 and doing a clean install of all the programs.

See the attached text file for all the  details including what I have tried.

You can view screenshots from Sysinternals  Process Explorer at

I have tried everything I know to no available. I welcome any insights others can provide. As a last resort, I will try a new install, but I cannot do that until late next week as I am on the road.
Question by:jamccomb
    LVL 9

    Expert Comment

    I can only offer a few thoughts on this matter for you but as a hardware repair guy I'd suggest running 'malwarebytes'.

    If there is a virus on your system the first thing that gets knocked out is either Norton or Mcaffe. Malwarebytes has a free trial so I'd give that a go. If you have problems running it or installing it - then its deffinately a virus.

    I've run Vista for about 18 months on my laptop, though now i've shifted to 7 but as I remember i too had 100%'s coming up with svchost.exe. Svchost is just a 'holder' process or a container for other tasks to run in so it could be any number of programs that are causing that problem for you. Have a look and see what comes back....

    LVL 28

    Expert Comment

    you should download "process explorer" from microsoft. install it and use it to see what program is hogging the CPU.
    LVL 28

    Expert Comment

    the last time I used it on for a similar problem showed the network printer driver had gone awol - we un-installed and re-installed and it was fine.

    Accepted Solution

    The problem was caused by Verizon's VZAccess Manager - possibly exacerbated by some Internet Explorer add-ins. Verizon was of no help - but a Dell support tech was able to get the Dell Broadband Card Utility to work properly after resetting Internet Explorer to its defaults which disabled all add-ins. He seemed to know just where to look.

    I like the VZAccess Manager for its capability to connect free to WiFi access points that normally charge. This is a benefit of having a Verizon broadband account.

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