Locking Folders:

• Consider you want to lock a folder named XXXX in your E:\, whose path is E:\XXXX.
• Now open the Notepad and type the following

[code]ren xxxx xxxx.{21EC2020-3AEA-1069-A2DD-08002B30309D}[/code]

• Where xxxx is your folder name. Save the text file as loc.bat in the same drive.
• Open another new notepad text file and type the following

[code]ren xxxx.{21EC2020-3AEA-1069-A2DD-08002B30309D} xxxx[/code]

• Save the text file as key.bat in the same drive.

Steps to lock the folder:

• To lock the xxxx folder, simply click the loc.bat and it will transform into control panel icon which is inaccessible.
• To unlock the folder click the key.batfile. Thus the folder will be unlocked and the contents are accessible.