Game Crashing on Launch
No confirmed fix yet. Players suggest: Worked for me.

7 fixes · 0 how-to answers · Steam discussions
No confirmed fix yet. Players suggest: Worked for me.
No confirmed fix yet. Players suggest: 1st crash > try to accept terms 2nd crash > accepted terms and crashed while trying to go to main screen 3rd crash > able to access main screen and it crashes.
No confirmed fix yet. Players suggest: Worked for me.
No confirmed fix yet. Players suggest: It looks like the game try to find a device via Windows' Input API, and then there is a forbidden access to memory and it crashes
Suggested fix (unconfirmed): Start a new save file and mash the A button as fast as possible instead of timing it with the notes near the end.
Suggested fix (unconfirmed): Lock your framerate to 30-40 FPS to fix the broken Waterfall Hero Time level.
No confirmed fix yet. Players suggest: It isn't fixed for Windows or Mac.