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I added .net framework 4 to my setup package as a prerequisite, when installing this package an error reports that installing .net 4 require WIC "windows imaging component" ,which I've added as a prerequisite also.

but installation failed due to a newer version of this component already installed.

I want to ask how to check whether this WIC is installed or not and skip installing it when there is a newer version?

Posted 25-Dec-11 3:27am

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Solution 1

The installer for the prerequisite is what should be doing the checking, not your installer.
hadad at 25-Dec-11 9:46am
How it will check there is an xml file for the prerequisite


<!-- Defines list of files to be copied on build -->
<PackageFile Name="wic_x86_enu.exe"/>
<!-- Defines how to invoke the setup for the Windows installer 3.1 redist -->

John Simmons / outlaw programmer at 25-Dec-11 10:32am
You apparently have no idea how software installers work. I recommend that you do some research.

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