The Major Upgrade item reflects the Windows Installer 'Upgrade' table. It is used for customizing the major upgrade settings (e.g. if you want to upgrade a product with another upgrade code, or want to prevent upgrading from certain versions, or for certain languages). Without this item, your installation will allow downgrading ("major upgrade" when the installed product's version is higher) ... View more

Hi, Here is the .prq I prepared for Microsoft Report Viewer 2005 SP1, hope it helps. ... View more

Assuming it is an InstallScript project, did you override the default OnMaintUIBefore and/or OnMaintUIAfter functions? ... View more

The 'must run setup.exe' is just a property value, it's not something you should refer to (the Windows Installer just logs all the defined Propeties, this one is the value of STANDARD_USE_SETUPEXE). You should have two MSI logs - one for the UI sequence and one for the Execution sequence. Looks like the one you quoted here is the UI one, so maybe the other one would have more details. If you can't find them, or can't figure them out, you can try debugging the installation using the InstallShield debugger - place some breakpoints in key places in your code, and see if they are reached at all. ... View more

Did you check KB article Q112546 ? ... View more

I'm not aware of any limitation, we use variables to store pretty long text strings such as instructions to the user, error messages etc. I would assume that, since the tool is Java-based, the maximum string size is that of Java (which is, for all practical uses, unlimited). ... View more