Wallpaper graphical Issue

Hi guys. I've had this problem on and off for a while now and its starting to annoy me, and was hoping maybe someone has encountered or knows a cure for it.

Basically my Computer will display a weird line across my wallpaper when it is changed from the default. It will also have a 'glitchy' look when i right click to bring a sub menu.



Here is an example of the wallpaper glitch. even when changing to the next wallpaper in my theme it is still there. but possibly moved up the screen a few inches.

any help on this will be much appreciated

Edit - Managed to find an example of the menu glitchiness

Welcome to Windows Seven Forums.

I certainly haven't seen anything like it, but I think a check on your graphics card may be in order.

You may want to check for any driver updates either from your computer manufacturer or the graphics card manufacturer.

Yeah its strange. My Radeon 4870 Drivers update through Steam. but i dont think this is a driver issue as its been happening like i say for a while, and I keep my drivers up to date so it must have happened across 2/3 or maybe even more different driver updates.

Just so you know this is still happening. Does anyone else get this issue? drivers are all up to date so it cant be that.