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Troubleshooting

You must obtain clean, unmodified and complete data to proceed with our guides

Corrupted or incomplete files will cause unpredictable issues we can't cover.
TWO-TORIAL does not provide or distribute game data. Do not ask.

My game takes a long time to boot!

CHUNITHM game files consist of thousands of small XML files, which Windows Defender takes a long time to scan through. Add your game folder to the Windows Defender exclusion list.

Danger

Doing this will prevent Windows Defender from scanning your game folder for viruses. Only do this if you trust the source of the data.

My game is running too slow/fast

The game could be running under or over its required refresh rate.

  • Make sure V-Sync isn't disabled in your graphics settings (called "Vertical sync" in NVIDIA Control Panel and "Wait for Vertical Refresh" in AMD Control Panel.)
  • Make sure your monitor's refresh rate is set to 60Hz.

It could also be that your computer's performance isn't good enough to keep a steady framerate.

My game is stuttering

For NVIDIA users, create an override for chuniApp.exe in NVIDIA Control Panel and change "Power management mode" to "Prefer maximum performance".

My game crashes when I tab out of fullscreen!

As the game is intended to run on arcade hardware, it doesn't like being minimized.

One workaround for this is to use DXVK. Download the latest version from releases. This will be a dxvk-x.y.z.tar.gz file, which you can open using 7zip. Navigate to the x32 folder, and copy the d3d9.dll file to your game's App\bin folder, agreeing to overwrite when asked.

You should now be able to tab out of fullscreen without crashing the game.

Warning

The game will not ignore inputs when out of focus.

This means any controller inputs will still be accepted, so try not to lean onto your slider whilst tabbed out!

This also means that you can accidentally enter the service menu by hitting your Test key even if the game is minimised. If you were in the middle of a credit, your scores will be lost.

When I run the game all other audio is gone!

CHUNITHM uses WASAPI exclusive mode for audio to get better latency.

You can apply the "Shared Audio" patch on a CHUNITHM web patcher (see Resources) to hear audio outside of the game at the cost of audio latency.

Cabinet-to-Cabinet(c2c) Fixes

c2c can have many problems but you can fix most of them by applying the "Patch for head-to-head play" and disabling "Set all timers to 999" on a CHUNITHM web patcher (see Resources).

If the above does not work then please ensure both machines have the exact same data and can communicate with each other if they cannot then you can try disabling firewalls or changing the c2c group.

If clicking the c2c button does nothing, you can fix it by resetting the network settings in Windows.