For the Second time in My FSXSE Usage i Got that Message..FATAL ERROR..with it NO MORE FLYING....Once again i Helped my self...This By DELETING the CFG. in the main file.. a new one gets constructed at start up .Later Delete the contents in the LOG FILE....Happy to report alls well.....This for the second time....the big Question is why That FATAL ERROR Happens?? do Not Know ...From Other Forums I read a big Problem.....Thnx all