Steps:
1. Go to cmd.
2. Change to the directory that you want.
3. Assume i change to D:
4. So, in Command Prompt, type D: and [enter].
5. Type in this command "md \lpt1\\" without quotes and press enter.
6. The folder will now in your D:
7. Go and try and delete or rename it, you cannot do anything to it.
There are still many names that you can use to name the folder:

-lpt1 until lpt9
-CON
-AUX



To delete it:

1. Go to Command Prompt again.
2. Navigate to the directory.
3. Type in "rd \lpt1\\" to delete folder.