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Holger_G
Level 10

IsPreventDowngrade: displays dialog with "1:" text only

Hi,

I´ve added a Major Upgrade and ISPreventDowngrade item to my Basic MSI project.

Launching a downgrade installation display a dialog with a simple "1:" text string. Did I missed something or is there a string missing in the string table?

Holger
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MichaelU
Level 12 Flexeran
Level 12 Flexeran

I'd check the message with the type 19 error action, and any string IDs associated with it. I agree the symptom looks like it's getting an empty string (which then formats to 1: ).
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Holger_G
Level 10

MichaelU wrote:
I'd check the message with the type 19 error action, and any string IDs associated with it. I agree the symptom looks like it's getting an empty string (which then formats to 1: ).


Found it by looking at a new project. IDS_PREVENT_DOWNGRADE_EXIT was missing in the string table.
Thanks for the type 19 error action hint, will try that in the future.
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