I have updated the description of the issue as I have now tried again after apply all system updates and removing both Proton and the compatdata for the game. The launcher now does start again when using Proton 3.16-4. T...
I also noticed it keeps creating new ArcheAge directories in the Wine `C:\` 'drive', first `ArcheAge` then `ArcheAge0`, `ArcheAge1`, and so on. On most Windows installs I have only seen either one `ArcheArge` directory a...