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High CPU usage Windows Vista new install

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.
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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....


Peter HartCommented:
you should download "process explorer" from microsoft. install it and use it to see what program is hogging the CPU.
Peter HartCommented:
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.
jamccombConsultantAuthor Commented:
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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