Hi.
I am failing to upgrade my installation product: My project Installshield Script MSI, I have multiple components and only 2 Features.My upgrade include only one Feature ( i am using release flag for this).
My upgrade using function OnResumeUIBefore(), by running "upgrade.exe REINSTALLMODE=aums ADDLOCAL=ALL REINSTALL=ALL"
If I am running install(setup.exe) with parameters REINSTALLMODE=aums ADDLOCAL=ALL REINSTALL=ALL" - reinstall works fine, but if I run "upgrade.exe REINSTALLMODE=aums ADDLOCAL=ALL REINSTALL=ALL" - I have Feature transfer
Error: -1638 Another version of this product already installed. Installation of this version cannot continue....
I run installation with log /verbose "fileName" and found one failure: