This does not sound good. I presume you have already reinstalled French Money 2005 with the file that you name after the crash.
When you restore, do not restore to the remembered location, but instead Browse to your Documents folder and choose a new name.
Search your computer for *.mbf, *.mny, *.m14, *.m12 files in case you find something. I like Agent Ransack as a search. Make copies of whatever you find onto other media until you get your backup situation working.
You could consider having a service or program try to recover files. In that case, I would clone the disk first. Avoid any solution that rights to the problem disk drive.
I wish I had a better solution.