1. Download, and install Everest: http://www.majorgeeks.com/download4181.html
Open it, click Computer, then Summary.
In upper menu, go Report>Quick Report-Summary
Save it in text file, and paste it in your next post.
Don't include anything under line Debug - PCI

2. Did you try another mouse?

3. You need to explain better "I can't".

SpyBot, Spyware Doctor, ComboFix may go.