>>I have two VFP applications written and compiled with 9.0. Both are setup to install with Installshield Express. A new user with a new Vista PC was able to install the first without a problem. However the second refuses to install and produces an error regarding inadequate administrator permissions.
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>>Any thoughts on why one would install and not the other?
>>Thanks
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>
>Just right-click on your Setup.exe (or whatever your installation routine main set up executable is called) and from Menu select "Run As Administrator"

Thanks Borislav
Turns out the user was not an Administrator on the machine. Why the first one installed without a hitch is a puzzle.
- Don