>Actually, we've loaded the new SP2 which has only been out for a couple of days.

This is what I like about MS is those service pack releases which really demonstrates how buggy a software can be. :)

>Except this is a compiled FPW26a application and the same files (EXE, ESL and others were copied directly off the server and rechecked so it's extremely unlikely that we're talking a corrupted application file.

Ok, I didn't realize at first you were using 2.6. Is it possible MS don't support 2.6 under NT 4.0?