instead of hiding a folder let's try that no body even u also cannot see the folder,for this u need knowledge in Registry,steps are:
1. type regedit in start->run
2.then go to HKEY_LOCAL_MACHINE ->SOFTWARE->MICROSOFT->WINDOWS
->CURRENT VERSION->EXPLORER->ADVANCED->FOLDER
3.here u will find a string "TYPE (GROUP)" on the right side of window,DELETE THIS VALUE
4.
then u will not find "SHOW HIDDEN FILES AND FOLDERS"options in TOOLS->FOLDER OPTIONS->VIEW in MY COMPUTER
5.IF U want it back again do 2nd step and create a new string value called "TYPE" and name it's value as "GROUP",if doubts contact
krishh_12@yahoo.com