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I used free version of InstallShield, built in Visual Studio 2015 to build a setup for my app. Now I want to release an upgrade version for my app, but after installing setup on target machine which has previous installed, I get this error :

Another version of this product is already installed. Installation of this version cannot continue. To configure or remove the existing version of this product, use Add/Remove Programs on the Control Panel.

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I tried using upgrade code, but had no success.

AVEbrahimi
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1 Answers1

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As i understand it [im still very newb @ Installshield] the upgrade code should stay the same across the versions [service packs] but the product code should change with the version/service packs.

How to do it is described in the thread you can find in the comment from Michael Urman.

izm
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