1. Go to Start Menu=>RUN
  2. Type cmd& press Enter (To open Command Prompt ).
  3.  If you don’t know what is Command Prompt.
    Note:  You cannot make this kind of a folder in C: drive if you installed windows on C: , so try  it out on other drives.
  4. Type D: or E: or F: (The drive you like except C:)and press Enter.
  5. Type md \lpt1\\and hit Enter (md implies make directory). You may also use other words such as aux, con, lpt2, lpt3 up to lpt9instead of lpt1.
  6. Open that folder which you chose and now you will be able to see the folder named lpt1.
  7. Now, try to delete that folder or rename that folder, either ways Windows will show an error message.