Mouse moves eratic

Hey,
I seem to having an issue with my mouse. The pS2 mouse willlock my system after I move it around a bit. Switch to a USB mouse aand it doesn't always move to the left smootly. Ran virus check, spybot and adaware no problems found. Have i caught a new virus or is something else?
Please help
Mee123

 

Could be a driver issue. Just to rule out a virus.

Please follow the steps below:

- Run ALL the steps in this Sticky thread READ & RUN ME FIRST Before Asking for Support

Make sure you check version numbers and get all updates.

- Very Important: Make sure you tell us the results from running the tutorial...was anything found? Were you unable to complete any of the scans?...Were you unable to download any of the tools?...Did you do the on-line scans as suggested? etc.

After doing ALL of the above you still have a problem make sure you have booted to normal mode and run the steps in the below link to properly use HijackThis:

Downloading, Installing, and Running HijackThis