Hi,
Check the Win2003 event logs, they probably will have an entry that will help identify the problem.
It will probably be a patch is required or a configuration setting.

Hope this helps.

>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