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Wrong behaviour from new package GUID

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Posted 13 April 2004 - 11:01

My msi has different package GUID from previous version but same product GUID. I thought this should not be installable, user should be warned to remove previous version with Add/Remove programs.
But it happily goes ahead and installs over the previous version, I even end up with two entries in Add/Remove programs.
What is missing from my installer?
Thanks for any pointers

Stefan Krueger

Stefan Krueger


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Posted 13 April 2004 - 13:43

Two entries in Add/Remove Programs typically indicate that the ProductCode of the two packages is different. Please double check (open the two msi files with Orca to see the ProductCode)