You're discarding the old, "mismatched" configuration and letting the game correctly identify your current setup.
Change to "Borderless Fullscreen" or vice versa if the game crashes. 4. Use HedgeModManager (The Modern Approach)
If you switch monitors, change your Windows resolution, hook your PC up to a TV, or use a multi-GPU gaming laptop, the tool fails to match your current real-time hardware against those outdated files. Instead of overriding them, the game crashes and locks you into a loop telling you to "please re-run the configuration tool."
If the manual trick fails, the config file might be write-protected or logically corrupt. Use HedgeModManager (The Modern Approach) If you switch
This guide compiles solutions from community forums and troubleshooting experts to help you resolve the error.
: Within the tool, verify your graphics settings (ensure the correct resolution and GPU are selected), click Save and Exit , and then launch the game. Laptop and Multi-GPU Troubleshooting
The game serves as a celebration of 20 years of Sonic history, bringing together two different eras of the franchise. : Within the tool, verify your graphics settings
Back up your registry first.
The older Sonic, meanwhile, felt a tug at the edge of himself: a leftover childhood memory of a picnic with a friend who, in his world, had never smiled again. The younger felt a compulsion to repeat a loop he had barely finished—an echo that pulsed in his ribs like a metronome. Each echoed memory when acted upon strained the seam, and the Temporal Driver interpreted strain as an instruction: converge.
HedgeModManager bypasses the GraphicsConfig.cfg entirely. It also unlocks 60+ FPS, ultra-wide resolutions, and custom mods. For many users, this is the only permanent fix. and custom mods. For many users
Change the preferred graphics processor to .
If you are on a laptop, the game might be trying to launch with your integrated graphics (Intel/AMD) instead of your dedicated card (Nvidia/AMD). Open the ConfigurationTool.exe .