Paul, it makes perfect sense. You're absolutely right - prevously I had 'distributed' the form without problem, but didn't do so this time (for no reason that I can remember...).Many thanks for the solution and taking the trouble to test it out.ChrisPS And thanks for the form - look forward to seein...

I did wonder originally if it was an AV problem (or even Vista UAC) but I have since found that one machine on our network would open it and another wouldn't (same OS, same AV). That narrowed it down to the fact that it seems to work from Acrobat, but not Reader...It worked for you with Acrobat - if...

That's the frustrating thing - it varies. Some have Vista, Acrobat 9 and Outlook 2007, some XP Pro, Acro 9 and Outlook 2003 (but that combination works for me).

Thanks Steve. In fact both work (as I found out by mistake a while back and just double-checked now) and end up in the same mailbox.But the failure seems to come before that - in that the window offering either desktop email or internet email fails to initiate for most users.Chris

I have a simple form which has worked fine for the past couple of years, but since updating it with Livecycle Designer ES8.2 recently, the 'submit by email' button is not working for many who have downloaded it.Works fine when I try it here and it worked fine last year, but not with this latest vers...