High CPU usage and sudden slowdown

Hi swantonist, in addition to the above.
Download Security Check by screen317 from.
http://screen317.spywareinfoforum.org/
Or
http://www.bleepingcomputer.com/down...ycheck/dl/123/

Save it to your Desktop.
Double click the install icon.
If using Vista - Win 7 - right click the install icon and select "Run as Administrator"
A command Prompt window will open.
Let it scan the Pc - press any key when asked.
It should now open in Notepad.
Copy and Paste the result of the scan in the reply box below.