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Level 4

Error 1721 When Installing

So we have Install Shield 2019 Express.

I created an Express Project and everything works fine. I got one custom action that gets executed during installation. It is an"Launch an Executable" action and executed before system search (Not in Silent Mode).

The release is built with the DVD-10 option and we also use compression.

One executable gets executed and the "Source Location"  Browse File System.

So now when i build the installer everything goes well. When installing my project via the setup.exe i can install everything just fine.

But when i install via the msi i get this Error 1721....

What can i change so that i can install everything via the msi?


Also one thing. If i install via the setup.exe and then afterwards use the msi i can use the msi without any errors.

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