if your sure there is no spyware running try
http://www.pcpitstop.com/
a useful online computer test has helped me sort several different problems in the past
after several hours of using my computer that is very fast 3.2 ghz 1 gb ram, norton antivirus and internet security 2005 takes up all of my sytem resources and maxes me out at 100% sometimes it uses like 98% of my resources... im running xp. Any ideas?

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