Log file location

Factorio keeps log files in the user data directory, next to the saves and mods directories. It is a .log file that can be opened with any text editor.

The file you need most of the time is factorio-current.log. Backup copy of the log file from previous run is in factorio ...

Im having issues when my friend hosts it constantly does "Server is not responding" The game nonstop stutters and will not repond for 10-45 seconds just to respond for 10. This has only recently started when 1.0 came out and since. The last 5 years we havent had any issues with either of us hosting ...