This can occur if you rename the file's icon outside of Final Draft instead of going to Save As in Final Draft and changing the name of the file there. In other words, if you have a script named
on your Desktop and you rename it to...
...this message may come up when you double-click on it. This won't happen if you rename it Rick's Place.fdr from the File > Save As command in Final Draft.
NOTE: All support for Final Draft 7, including software activation, has been discontinued. You may find solutions to problems in the online knowledge base or in the PDF manual found on the installation CD.