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  • There isn't any standard custom action to do this. You could setup a custom action yourself from a command line to execute the msiexe with the repair flags though. I guess in your case you know the product code for the app and so can just specify the repair flag with the product code GUID.

     

    [CODE]Repair Options

     

    /f[p|e|c|m|s|o|d|a|u|v]

     

    Repairs a product

     

    p - only if file is missing

     

    o - if file is missing or an older version is installed (default)

     

    e - if file is missing or an equal or older version is installed

     

    d - if file is missing or a different version is installed

     

    c - if file is missing or checksum does not match the calculated value

     

    a - forces all files to be reinstalled

     

    u - all required user-specific registry entries (default)

     

    m - all required computer-specific registry entries (default)

     

    s - all existing shortcuts (default)

     

    v - runs from source and recaches local package[/CODE]
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downgrade doesn't work all the time