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golnaz1.5524944471064846E12 asked a question.

June 13, 2008 at 12:42 AM
Preventing from downgrade
In Basic MSI projects, how do I prevent my current install from getting overwritten by an earlier version of the product?

 

I know there are ways to prevent it from overwriting the future versions, but in this case I basicly do not want the earlier version to be able to overwrite my current install. The earlier versions have been released and there is no way to modify them.

 

I appriciate your thoughts on this.

 

Thanks
  • 5 answers
  • 67 views

  • 0_M Urman (Flexera Software)

    Short of AppCompat transforms (which I think Microsoft controls, not you or us), I don't think there's a way to preemptively change an older install not to do this. It's regrettable, but hopefully not a showstopper; how big a problem do you think this will cause with your user base?

  • golnaz1.5524944471064846E12

    It's not a huge problem...but it would be a nicer to see earlier versions cannot get installed anymore while current version is installed.

     

    Thanks for the reply.

  • omidkrad1.5524913027072454E12

    Did you get a chance to try if the instructions you linked above actually work?

     

    It didn't work for me. On Step 3a when setting the Minimum Version to the product version of the current project that logically means it doesn't allow any Major Upgrades for this Setup because the version of the older product would always be smaller than our specified Minimum Version to upgrade.

     

    Is there something I'm missing here?

     

    Thanks
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Preventing from downgrade