OT: Vista UAC behaviour

[Tiemo Hollmann TB]

Hello,

I know, that this isn't a windows forum, but I know, here are so many great
experienced members, that I'll give it a try, after having googled a couple
of hours in win forums.

 

When a customer of mine starts my app on Vista, the UAC pops up with the
well known message "an unidentified program wants access to your computer"
after granting, it quits, instead of launching the main exe of my app.

This is not the setup, it's just the start of my app. The mysterious thing
is, that this is the very only Vista customer where this happens (up to now)
So it must be any setting on his computer, but I don't find any hint. I know
that I could ask MS for a digital signature, or switch off the UAC or
customize the UAC with secpol.msc (only in Vista Pro) but this is not a
general problem of my app but a setting of a special machine and I am really
not the system guy.

Any idea where to look for or what is happening here you Win Pros?

Thank you

Tiemo