Sounds like a virus and/or spyware has invaded your system or there is a 
poorly written program. Update and scan with your anti-virus program. If 
you have AdAware and Spybot Search & Destroy (the two prevalent free 
anti spyware programs), update them and run scans.

If these actions do not solve the problem, in the task manager you can 
list the running processes by the amount of CPU (click on the header of 
the CPU usage column) each process is using. Post again with the 
apparent problem program and your operating system for more assistance..

Tom Mayer

Nelson Samson wrote:
> i'm having problem lately with my computer. when i open a certain folder the computer slows down dramatically and when i hit ctrl+alt+del keys the task manager shows cpu usage 100%. please help me to correct the problem.
> thanks
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