After many days...
I'm back...
I was having xams....
here u go......

here r the steps...

1)run--->regedit--->press enter

2)HKEY_LOCAL_MACHINE-->SOFTWARE-->Microsoft-->Windows-->CurrentVersion-->explorer-->MyComputer-->NameSpace-->DelegateFolders

3)In delegate folders u find {59031a47-3f72-44a7-89c5-5595fe6b30ee}
delete it......

4)reboot ur system

5)now enjoy.........

warning: don't try extra...If u,u may have 2 reinstall ur OS again
try at ur own risk.....

I share this because I was succefull.......