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If you are experiencing any problems when running rFactor 2 on your system, it's obviously important to describe your problem as accurately as possible so we can try to reproduce it internally. A step by step explanation would be very helpful. If you have someone else that can validate those steps, that's even better. Apart from describing such steps, there are various different types of logs you can enable that help us diagnose problems in more detail. This page gives a brief overview of each, its purpose and how to enable and send them.

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Trace logging is enabled via a command line argument. In the Launcher you can add this argument for single or multiplayer or even devmode. If you are launching rFactor 2 from a shortcut you can add it there too. The syntax is: +trace=2Command line arguments are set in your Steam client before you launch. You right click on rFactor 2 in your "library" and choose the "Properties..." option from the context menu. In the "general" tab there is a button called "set launch options..." which shows you a text field where you can enter:

• +trace=2 to enable logging to disk (see "what to send?" below for the location of the logs);
• +trace=2 +traceFlush to enable logging, flushing any new lines to disk immediately, which is needed if you are reporting rFactor 2 crashing.

What to send?

Trace logs end up in the UserData\Log folder of your rFactor 2 install. The latest one is called "trace.txt" unless rFactor 2 crashed during the latest run. Older ones are typically marked with a timestamp in the name. When in doubt, sort them by modification date. Just send us that text file along with your description of the problem. If you have an in-game time, feel free to mention it. That might save us wading through many lines. If they are large, feel free to zip them.

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Performance logs end up in the UserData\Log folder of your rFactor 2 install. We keep the last 5 sessions. There should be two files per session, named after the session and ending with the extension .csv and you need to send us both for diagnosis. If they are large, feel free to zip them.

Mini Dump File

A mini dump file exports information that can tell us why the game crashed, and can be helpful in finding issues.

Where to find it?

You'll find the file in steamapps\common\rFactor 2\UserData. The file will be name rFmini.dmp. Make sure it was created at the same time as the crash.