Folder Lock

 cls  
 @ECHO OFF  
 title Folder Personal  
 if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLOCK  
 if NOT EXIST Personal goto MDLOCKER  
 :CONFIRM  
 echo Are you sure u want to lock the folder(Y/N)  
 set/p "cho=>"  
 if %cho%==Y goto LOCK  
 if %cho%==y goto LOCK  
 if %cho%==n goto END  
 if %cho%==N goto END  
 echo Invalid choice.  
 goto CONFIRM  
 :LOCK  
 ren Personal "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"  
 attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"  
 echo Folder locked  
 goto End  
 :UNLOCK  
 echo Enter password to Unlock folder  
 set /p "pass=>"  
 if NOT %pass%==password goto FAIL  
 attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"  
 ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" Personal  
 echo Folder unlocked successfully  
 goto End  
 :FAIL  
 echo Invalid password  
 goto UNLOCK2  
 :FAIL2  
 echo Invalid password  
 goto end  
 :MDLOCKER  
 md Personal  
 echo Folder created successfully  
 goto End  
 :UNLOCK2  
 echo Last chance to enter correct password to unlock folder  
 set /p "pass=>"  
 if not %pass%==password goto FAIL2  
 attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"  
 ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" Personal  
 echo Folder unlocked successfully  
 :End  
 Enter ur password in line(==password)  
 (if NOT %pass%==password goto FAIL)  

Save as file.bat
Credit to Nasaruddin