End the process "bargains.exe" (it's adaware btw) and see what happens. Then download ms anti spyware and remove the adaware, or just follow the steps here:
http://www.iamnotageek.com/a/431-p1.php. You can see what the .exe does and what it is here:
http://www.iamnotageek.com/a/bargains.exe.php.
No wonder why your computer is slow, your sytem idle process is running at zero!