I use a PC to make my GP4 performance sets. I then syncronize those .gig files to my gigging laptop. Both are Windows 10.
Sometimes I update the .gig file on my laptop, and syncronize back the other way.
I had a set that wouldn’t load on my PC, it would just crash GP4. Worked fine on my laptop. I then tried importing the individual rack spaces in the set, and the ones with UVI workstation running B5 (a B3 emulator) would crash GP4.
I checked the plugin versions, and my laptop had a later version. I found an updated UVI workstation version on their website, downloaded and updated both my laptop and my PC. Now the set loads with no issues on my PC (and laptop), no GP4 crash.
The takeaway is that GP4 should not be crashing. It should be telling us that there’s a plugin issue. I used trial and error to figure this out.