Do you know that it is not possible make a folder with the name "con”? No matter how many times you try to make a folder with the name "Con", you won't be able to do it.
The reason: Con is a "reserved keyword" used by DOS, so you can't create a folder with that keyword. However, there is a way to create a folder with the name “CON”. To do this, go to the command prompt and type "MD \\.\E:\CON” . This will create a folder named CON in the E drive of your Computer.