Fix: AMD Catalyst
Using Windows 7. This works on x68 system.
1.Control Panel - Uninstall AMD Catalyst Install Manger and start uninstall.
2.When Uninstall starts click - Unistall Manager.
3. Click Custom Installation or Custom Uninstalltion
4.Untick Video Driver. (about 90.0 MB)
Finsih Uninstallation, Reboot Computer and should be fixed.
Temp Fix Using Firestorm:-
Prefrences - Graphics Button - General Tab, uncheck in Avatar Rendering, Hardware Skinning.