File names like DOS names

When you think you have a legal version of Directory Opus 9,
uninstall the program, download a new copy
(http://www.gpsoft.com.au/DScripts/download.asp),
reinstall the program and install your Program Certificate again.

When you use a stolen version look here:

[url]Problems caused by unofficial patches]

and here:

[url]Wierd Opus symptom]