AutoCAD 2012 Blue Screen after "Purge All" command

AutoCAD 2012 Blue Screen after "Purge All" command

Source :
http://forums.autodesk.com/t5/AutoCAD-2012/AutoCAD-2012-Windows-7-64-bit-Crashing/td-p/3106550

Problem : 
AutoCAD 2012 unreliable and contiuously crashes on various commands. Notebook shuts down & reboots from system recover startup menu. No error record or reported by autocad due to total crash of notebook. Windows systems  reports  "previous system shutdown was unexpected" and " computer has rebooted from a bugcheck".


Solution :

Try to close the WINDOWS AERO .  Use the win7 basic theme.I don't know why. It works for me .perhaps a bug for autocad 2012. TRY IT!