Software Deployment

I have an application called F5 edge client, it's a vpn solution. We use Win 7 64 bit Ent SP1.

The vendor have a tool where it compiles an exe (no option for MSI and the exe does not extract an MSI).

We created an MSI wrapper that installs the exe. This app is installed during the build.

When the application is launched as a standard user or an admin user a UAC prompt appears:

'Do you want to allow the following program to make changes to this computer.

c:\windows\downloaded program files\F5ElHelper.exe" -rpc'

I saw this on the vendor website:

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ElevationHelper process and Windows XP (CR91375)
Previously, in certain Windows XP configurations, the F5 process ElevationHelper (f5elhelper.exe), which is designed to elevate privileges on Windows Vista^®, was starting, and causing connections to fail. Now, the ElevationHelper process no longer runs on Windows XP.

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For standard users who enter their standard user credentials on the UAC prompt, the application launches as expected. Same for admin user. If the UAC prompt is ignored for a few seconds, the UAC prompt goes away and the application continues as expected.

I tried this on a vanilla Win 7 machine and there were no UAC prompts (even though I set UAC to highest seting). On this vanilla machine, if I add the standard account into the local admin group - the UAC prompt appears.

Another thing to add, If I add the vanilla machine to the domain so it recieves the machine assigned policies, the UAC prompt appears when the standard user is not in the admin group. This made me think it was a machine assigned policy that was the cause.

Has anyone seen anything similar with other apps, or have any ideas on the resolution?  Possibly something to do with 'Admin approval mode?'

Any suggesitons would be appreciated.

Thanks.