What's your application release? I assume R12 but please confirm.
I'm trying to open file * .fmd
Do you mean fmb?
but that file off the server what client I need to make changes but copy on my desktop and try to open and fmr I brand-10043
Is this a seeded form or a custom one?
What's the form name? Is the issue with all FMBs and/or in all languages?
Troubleshooting FRM-10043 Cannot Open File (Doc ID 32968.1)
Using the OracleAS 10.1.2 Forms and Reports Builders with Oracle Applications Release 12 (Doc ID 444248.1)
How To Bring Up 10G Forms Builder In R12 Environment? (Doc ID 579318.1)
if the version I'm using