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Title
InstallScript MSI Major Upgrade Results in "Setup Launcher Unicode Has Stopped Working"

Summary

Major Upgrade with InstallScript MSI project results in "Setup Launcher Unicode Has Stopped Working" during runtime.

Symptoms

During a major upgrade the setup will display an ?Setup Launcher Unicode Has Stopped Working? error message as the product is installing. If the user dismisses the error dialog and continues - the major upgrade will complete successfully.

Cause

This is a bug that was introduced in InstallShield 2014 and occurs in InstallScript MSI projects where both the base and major upgrade versions create keys in the 64 bit Registry using InstallScript code. This particular set of symptoms will not occur in InstallShield 2013 or earlier.

Resolution

This bug is currently being tracked under work order IOJ-1723693.

Workaround

It is suggested to covert the project to a full Basic MSI or a pure InstallScript project. A Basic MSI major upgrade or an InstallScript installation coded with behavior to mimic a major upgrade do not exhibit this behavior.

Related KB Articles

Perform Major Upgrade of InstallScript MSI Project with Basic MSI
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InstallScript MSI Major Upgrade Results in "Setup Launcher Unicode Has Stopped Working"