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I have created application installer using Wix. I have a ProgressBar control present on the screen with copying files etc. When UAC is enabled, after this screen appeared, it freezed for a 10 or more seconds and then UAC prompt is displayed : “Do you want to allow the following program to install software on this computer?”.
My question is:
how to make progress bar move during waiting for UAC prompt to be displayed? Or how to force UAC to be shown faster (< 5 seconds)?
Thank you.
Probably the only approach that will help is splitting your installer into several exes (or a mixture of exes and whatever.) I find that the pause before the first UAC screen depends on the size of the exe. Everything launched from an elevated process is elevated, so if you could get a small bootstrapper going, it should pop the UAC quite quickly, then you can launch the rest from that.