Logs are all stored in the /logs folder.
The most recent one does not have a time stamp (named godot.log or godot if the extension is hidden)
Deleting settings and save files can resolve some issues, but can of course reset stuff. It's safer to move them to another folder as backup. File names differ for each game, fill them in for your community if you know them.
Saves are named ###
Settings are named ###
