I have an exe picks up ascii files and import them into dbf files.

It was running like a charm under Citrix 1.8 with Win 2000.

With Citrix 3.0 and Win 2003, it closes in the middle, without crashing, with no error messages whatsoever. It can run for 8 hours with no problem or it can stop after 10 mins for no reason.

Any idea may lead us to an answer.

TIA