If you want the best experience and to fix the crashing permanently, the community has done a better job than the developers. The modding community has created a patch that fixes controller support, widescreen support, and crash bugs.
Variable refresh rates cause the DirectX 9 renderer to crash. sonic adventure 2 crashing steam
If your copy of Sonic Adventure 2 is crashing on Steam, you aren't alone. This 2012 port is notorious for stability issues on modern versions of Windows. Most crashes occur during startup, at the Sega logo, or when trying to save settings. If you want the best experience and to
One of the most frequent causes of the "black screen on startup" crash is that the game is trying to launch in a resolution or refresh rate that your monitor cannot display. If your copy of Sonic Adventure 2 is
Inside the Mod Manager, go to the "Download Mods" tab. Install these :