Fme script with arcmap 10.

Discussion created by oknamo on Sep 18, 2013
I can run a fme script once or twice but then I get this error:

Fme Universal translator has encountered a problem and needs to close. we are sorry for the inconvenience.....
Exception EFOpenError in module fmedlg.dll at 00020c6b.....Exception EOCError in module fmedlg.dll at 000116b5. system error. code: 1400 Invalid windows handle.

I have to reboot then this script works for another two times and I get the same error messages.
Anyone happens to know why this error appears?