-removeonly ignored and uninstall won't run

[jescott]

First time I've seen this in my years of using InstallShield starting with 6.3.

We have a product installed using InstallShield 2011 and with one machine (2003 Server), when attempting to uninstall the product with the Add/Remove Programs applet it seems to run the installer normally rather than prompting to uninstall.

I checked the registry key for the uninstall string and it's correct (with the GUID removed):

"C:\Program Files\InstallShield Installation Information\{guid-removed}\setup.exe" -runfromtemp -l0x0409 -removeonly

I checked that all the setup files do exist in the above folder. I tried running the above command directly via command-line but I get the same result. I even tried it with just the -removeonly flag and no change. It seems the -removeonly flag is ignored entirely and setup just thinks it's running for the first time rather than maintenance mode.

Has anyone experienced this before and know of a solution?

Thanks,
Jon.

[jescott]

Never mind. Turns out, the setup.ilg file was missing from the uninstall folder.

Thanks,
Jon.