Won't see profile, how to make it see it again?

Thunderbird doesn't seem to be able to see my profile anymore, all the emails,addy book and andall are still inthe folders. But when TB loads itwants to create a new account. Any Help iwould bevery thankfull for. I use this driveandtb for my homebiz. and on the road travel and need torecover what is missing.

Thanks again,
trp