So I have a very strange problem. Running 12.10, after I log in, everything that was present on the login screen is now my desktop background. What's more, it covers my desktop, meaning no selection box, right click menu, or desktop icons. However, everything else works fine. I can still open windows and do everything I normally would within them.
I've attached a screenshot to make this more clear.
This started happening after I changed some settings in ubuntu-tweak. I switched everything back to default (and even uninstalled ubuntu-tweak), but nothing seems to fix it. Everytime I reboot and log in, everything on the log in screen freezes and covers the desktop.
Any help would be appreciated. Thanks!