hmmm..,.

few questions .,.,.,

which OS version are u using ?

have u installed any desktop enhancement thinge ?

i m assuming that u r using vista... if yes ., then jst try this

in registry editor: : run -> regedit

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\explorer\Advanced\Folder\Hidden

there should be three keys there ... HelpID, Text and Type (this may be missing.. . if yes then add it)

Look for a key named Type on the right-hand side and change the value to group. If the key does not exist, create a new String value.

restart ur folder options....

hope it helps....

if not ,., u can read more at