Right click desktop. Choose Screen Resolution. Move Slider. Run Microsoft Security Essentials so it's Green. Run updates.
That's happened to me several times. Sometimes you just have to restart the computer. It usually occurred for me when I got out of a game, like TF2. If that's the case, a simple preventative solution is opening it in a window from then on.
yeah i was playing a game i will try restarting it. the same game moved all my desktop items too it must be like minecraft: vary buggy
I'd suggest restarting your computer, or at least logging out then back on. Also turn off any programs that one in that resolution.
May I recommend Fences? While not directly a solution to your problem, it handles resolution change mess-ups very gracefully.