When upgrading Qlikview using the IIS as a webserver it might fail following error message:
CustomAction ISIISInstall returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox) Action ended 08:01:00: InstallFinalize. Return value 3. MSI (s) (30:2C) [08:01:00:574]: Note: 1: 2265 2: 3: -2147287035
Environment
Qlikview 12.70
Resolution
Enable binding to port 80 in IIS before running the installation
Cause
The initial installation of Qlikview was done with binding on port 80, later changed to e.g. port 443.