Error Message: The filename, directory name, or volume label syntax is incorrect.

This error message is displayed when protecting files using command line if you have used non-standard quotation marks in the command.

For example: C:\Program Files\Lizard Safeguard PDF Writer\PDCWriter.exe PROTECT

Edit the command in Notepad or a similar text editor and replace the quotes (“ ”) with “.

For example: C:\Program Files\Lizard Safeguard PDF Writer\PDCWriter.exe PROTECT