When I save a file I getting the message "C:\..\con already exists." (4282856)

When I save a file I getting the message "C:\..\con already exists."

CON is a Windows reserved word, you cannot use "con" in naming a file of any kind.

The following site from Microsoft, states the following:

"Do not use the following reserved device names for the name of a file:
CON, PRN, AUX, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, and LPT9"

http://msdn.microsoft.com/en-us/library/aa365247.aspx 

Windows reserves the word "CON" for it's system.  You must use other names.

If you tried to save a Microsoft Notepad file as "con," you'll get the following message:

"con
This file name is a reserved device name.
Please choose another name."

If you tried to save a Microsoft Notepad file as"con.txt" you'll get the following message:

"C:\..\con already exists.
Do you want to replace it?"