Task manager high CPU usage

[xandih]

Hello

Anyone knows why I'm getting a high CPU usage for the taskmanager.exe process everytime I open the tool?

See in the attachment file..

I really don't know what is causing this.
Any help will be apreciated.

 

[xandih]

Some more details:

The image is in
http://img150.imageshack.us/img150/7937/taskmngee6.jpg

The machine is:
Intel Pentium 4
2,40GHz
2GB RAM