autocad 2012 problom copying any object

[Anonymous]

hello.
when ever i try  copying any object in drawing 
( CO command , MI command , copy with clipboard , ctrl+c  ) 
autocad stuck and not responding , ( must restart the program ) 
i can slecet the object  and move it ,  
but when im choosing the spot to put them and click Enter
autocad stuck.
what shell i do? 

[Manicbala]

Hope this will help you http://forums.autodesk.com/t5/autocad-2010-2011-2012/problem-with-copying-objects/td-p/3227864