How to make a undeletable Folder

Now follow these steps:-

1. Click on Start
2. Click on Run
3. Now type here “cmd” (without double quote)
4. Now you will get a command prompt window. Now you have to decide a drive in which you want to make this folder. Ex. If you want to make this folder in D drive then type D: and press enter in command prompt
5. Now your cursor reached in D drive. Now type here MD \LPT1\\ (Press enter)
6. Now you folder is created in d drive if u will try to delete or rename this folder then it will appear a message “Cannot delete lpt1: The parameter is incorrect”

How to delete an undeletable folder

7. Now again go to command prompt
8. Go in specific drive
9. And type here RD \LPT1\\ (press enter)
10. Now check your drive this folder is deleted..

You can create these undeletable folder with following names..con, aux, lpt1, lpt2, lpt3, lpt4, lpt5, lpt6, lpt7, lpt8 and lpt9

Have a fun dear.