I recently re-formatted my PC thanks to a virus, but I've come across a problem.....
...for some reason, whenever I use the internet, the background of about 99% of pages I visit looks like this:

(Ouch, compression was bad

I was wondering if any of you may know why this is happening / know of a way to fix this. I've recently installed the drivers for my video/graphics card, and I've selected for the browser to use the colours that are on the page instead of designating my own, and yet it doesn't.....anyone know why?
Thanks
