There are many sucessful, non French, business women here in France, just take a look at this site to start with! But yes, it is difficult, for men too.
You may be right, with few direct business qualifications or experience of inward investment you may struggle with the advice you've been given. Many of the great business ideas are the simple ones that solve a problem (hope I'm not sounding TOO holier than thou (and if I am sorry!)). Also, general wisdom states that if your business is doing something you enjoy, it won't feel like quite so much hard work. Perhaps you might like to think about what you like doing, chances are you may be good at this, and then ask yourself if this solves anyone elses problems.
You say you are more of an 'employee', do you know that your skills aren't in demand in your area? You suggest that the bilan man thought not, but maybe relook at what you can do, what transferable skills you have, your previous experience, pop it all together and write to local businesses and simply let them know you are around. Whilst businesses are struggling at the moment, you never know, they may need what you offer, even if it is for a short period.
I hope you find what you are looking for, good luck.