t

agree

I guess one solution is that they could be specified in the json file and processed into a C file.

can drag maps around to reorder them in groups / change groups

Operating system?

Have you checked the log file? Can you paste some of the last lines here please.

Okay, could be that Qt6 does not support Windows 7 and the latest version was compiled with Qt6

If you can compile yourself that would be good, porymap is still compatible with Qt >= 5.14. Based on the changelog I would have expected 4.4.0 to have been built...

what is the most recent version that will open for you?

You deleted the config file in the appdata folder?

porymap has worked on this machine before?