Lock Any folder without using folder Lock software

-Lock Ravi folder (Transfer access to Control Panel)

run->notepad
type following command

ren Ravi Ravi.{21EC2020-3AEA-1069-A2DD-08002B30309D}

Save > Lock.bat
then
ren Ravi.{21EC2020-3AEA-1069-A2DD-08002B30309D} Ravi
save as > key.bat 

now to Lock folder "Ravi" double click on "Lock.bat" file.
to UnLock folder "Ravi" double click on "Key.bat" file.