Got an nvidia card? looks like the newest drivers might be to blame. Check my post, as well as other posts, in
This threadIf not, then sorry, I don't know.
Seems like a lot of people have been getting this lately
, probably some old way of formatting texture data that the new nvidia drivers dropped support for (or something similar), so thus all you see is garbage because that's what the textures get turned into when stored in vram.