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joncr1
07-26-2005, 09:07 AM
Firstly, let me explain that this is my first installshield package in a few years
and I'm picking up someone elses project so my InstallShield knowledge is quite sketchy.

I've written a install package in InstallShield 11 Pro which all works correctly. Unfortunately the developers require the previous versions to be uninstalled first.

The three previous versions are packaged in InstallShield 5.0,5.5 and 10.5.
I can detect the previous version from file properties etc but when I run the uninstallation line I get a error that another instance of InstallShield is running. The problem is that the uninstall launches the InstallShield and it detects the InstallShield setup that launches it.

Is there anyway around this?

Thanks,

Jon