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high CPU usage "ccsvchst.exe"

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This may be the wrong forum to be posting this in - feel free to redirect me.

I've been experiencing periods of extremely high CPU usage, which of course makes everything very slow and sluggish. Norton Internet Security alert dashboard says the culprit is "ccsvchst.exe". Can anyone tell me what this is and if there is any way to keep it from eating up all of my memory?

I'm running Windows XP Professional (and obviously, Norton Internet Security).

Thanks ahead of time!!
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The Admiral

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Oh the irony...ccsvchst.exe is a Norton Internet Security file. Is it peaking when it is doing a scheduled scan or updating? It could be normal, but you can follow these directions to update NIS to the most recent version - maybe a recent update fixed a bug.

Back up your identity safe file if you use this feature.
Get your key from your Norton Account (www.mynortonaccount.com)
Download and save to desktop Norton Removal Tool. Please be aware it will delete all Symantec products. Be sure to pick the proper Norton product that you want to remove.
Download NIS 2011 and save to desktop.
Remove Norton Internet Security using the Control Panel and reboot.
Run the downloaded removal tool 2 times with a reboot after each run of it.
Then install NIS 2011 from the downloaded file. Run live update until it gets all updates and reboot when it asks you to.
After you get all updates, then reboot once more.
You can then restore your identity safe file.
Please run a manual antivirus scan after you have set up the program.
(instructions courtesy of floplot at community.norton.com)

Edited by The Admiral, 31 January 2011 - 10:55 AM.

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