You can lock your private folder using this code with strong password. You have to create new file and paste this code in that. After that you have to replace your password with "Your password" in line no 21. After that save this file ad .bat extansion. Now you have to double click on this file and one folder is created automatically. You have to put your personal file in that. Then again double click to that file to lock your new folder. That's it.