After selecting the FTL folder and finishing downloading the language pack, the FTL folder path selection window appears again.
When you select the path again, this window appears again an infinite number of times.
When you close and reopen the installer, this problem disappears and it becomes possible to continue the installation
This is well-known issue from when nedsociety made the installer. We dont have a concrete solution for this. For now you can solve this just by restarting the app.
After selecting the FTL folder and finishing downloading the language pack, the FTL folder path selection window appears again.
When you select the path again, this window appears again an infinite number of times.
When you close and reopen the installer, this problem disappears and it becomes possible to continue the installation