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Rename a folder as .con, .com, ... etc.

Latest update on March 26, 2011 at 06:28 AM by deri58 .

Issue
Reasons
Solution

Issue

On Windows, it is impossible to name a folder "con", "com1", "com2", "com3" etc.. *
If you try to name a file using one of these names, it will not work or it will display an error:

Write Fault Error Writing Device <filename.ext>  
Abort, Retry, Ignore, Fail?

The device name specified is invalid.

Reasons

The MS-DOS uses these names for system drivers.
To avoid confusion, it is impossible to use one of these names for naming a file, text file, or even an HTML page.

Here is the list of device names:
- CON Keyboard and Display
- PRN System list device, usually a parallel port
- AUX auxiliary device, usually a serial port
- CLOCK $ System Clock Real Time
- NUL Bit-bucket device
- A-Z: The letters are assigned to Drives
- COM1 First serial communication port
- LPT1 First parallel printer port
- LPT2 Second parallel printer port
- LPT3 third parallel printer port
- COM2 Second serial communications port
- COM3 Third serial communications port
- Fourth COM4 serial port communication

Solution

But there are still way to rename a folder "con", "com1", "com2", "com3" ...

The goal is to insert a special invisible character in the name: ALT + 0160.

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Computer restarts each time

Windows SP3 - - Error Code 0x0000007E

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