Help :Mouse Flickering during blender

Hi,
Just wondering if anyone can help me out.
While I am using blender the mouse flickers at all times unless is stationairy.
It only happens in Blender.
Please Help!!!
Cheers
Chicken Skin

What are your system specs? Is blender the only open application?

yeah blender is the only open program at the time.

um 512 ram nvidia graphics card not sure bowt the others will have a look 2nite

Windows XP home edition. Updated the graphics card drivers last nite also but that didnt work