Hello,
I build my setup files in visual studio (2008) with the "setup project". But I have problems installing this setup packages under vista. The time from the point were all questions are answered to the point were the UAC dialog is shown lasts a very long time (sometimes up to 10 minutes) - and nothing seams to happen in this period.

Does anyone has an idea who to speed up the installer?

Ciao!
  Stefan

Do the install with a log:

msiexec /i <your msi file> /l*v <path to a log file>

and see where the time is being spent.

If you have lots of files it will have a performance impact.

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Phil Wilson