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Providing Upgrades


I am looking at using Installshield LE for Visual Studio, but have a question.

When I come up with an update to my application, I would like to offer it to my customers. I would like for them to be able to install it without having to uninstall the previous version. Is this possible with Installshield LE for Visual Studio?

Thank you
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Re: Providing Upgrades


When the older version is already installed and when you try to install a new version, you might get an error stating-

"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."

To avoid this and to automatically uninstall and remove previous versions of your applications, please try the following:

-> In Solution Explorer go to "General Information" page
-> Increase the Product Version
-> Generate a new Product Code
-> Make sure that ALLUSERS property has the same value as in the old package
-> Go to "Upgrade Paths" page and add the old MSI
-> Build and install your new version

When running this new package it should automatically detect and remove older versions.

You may also want to have a look at the below link which gives more information about upgrades:

Please let us know if you require any further assistance on this.

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