invisible process running

  Knot2sure 20:37 16 Feb 06

My computer is running slow. I am running Windows XP with 1 gig of ram and a AMD 1400 processor.
When I check task manager there are no running processes. System idle is 99%. When I look at the performance graph 70% of my CPU is being used. If I disable the D link wireless connection the CPU usage drops to near to zero. What is causing this drain on resources?
My wireless card is D-Link AirPlus DWL-G520
Not sure if this is the culprit.
I also downloaded Microsoft Malicious software removal tool recently. Can this be it?

  Fruit Bat /\0/\ 20:44 16 Feb 06

Is your wirless network secure?

someone could be using it.

  Knot2sure 22:12 16 Feb 06

Hi Fruit bat. Thanks for the message. Yes it is WEP coded. The network activity is zero it is just CPU usage.

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