Error code 1603

Dorico
1

During an update of 3.5.0 to 3.5.10 using the Steinberg Download Assistant I have had the following error message:-

Dorico 3.5.10 update installation failed
Fatal error during installation
Error code 1603

I have followed all the normal procedures

2

Sorry to hear that, Joe. Have you tried restarting your computer and running the Dorico 3.5.10 updater before you run any other applications?

3

Happened to me - just before that message I got a dialog complaining that it couldn’t find the 3.5 msi package. Possibly its because I’ve generally made a habit of cleaning up “temporary” download files. Anyway, using the full installer but clicking the “Update” option resolved the problem and only cost me a teesny bit more download time.

4

Thanks both for your input. I rebooted my machine and then ran the updater.exe as administrator and that appears to have done the trick.