Simple Folder Lock

Very Simple method to secure your folder without use any software

Step 1: Go to Command Prompt

Step 2: Type the following command
          Syntax
            ren .{21EC2020-3AEA-1069-A2DD-08002B30309D}

         Example

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

Step 3: After run this command the Test folder will be renamed. if you try to open this folder Control panel  
            will be opened

Step 4: If you want to Access the folder content then do the reverse process you will get it

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