Troubleshooting index
Start with what you see:
| What you see | Go to |
|---|---|
| A game won't start, closes at once or crashes | Reporting a problem (the game's Logs & Diagnostics tab shows why), then Graphics problems |
| A black screen, glitches or a blurry picture | Graphics problems |
| "Can't reach Steam", or achievements and saves don't work | A game says it can't reach Steam |
| Cloud saves don't sync | Steam Cloud saves don't sync |
| Steam says "someone else is using it", or another user's Windows environment is in the way | Someone else is using Steam, Another user's environment |
| Steam says "An error occurred while installing" | Steam install error |
| Steam wants to download your Mac games again, or shows a game installed that never downloaded | Mac games re-download, Phantom installs |
| Steam updated and Windows games stopped working | Steam updated itself |
| A controller isn't seen, disconnects or the Xbox button opens the wrong thing | Controller problems |
| The game needs online anti-cheat, or copy protection complains | Anti-cheat, Denuvo and copy protection |
| Setup says something is missing (Rosetta, runtime, D3DMetal, Steam) | The setup assistant, The Windows runtime, Rosetta and macOS 28 |
| Steam dialogs (EULA, controller notice) seem to hang Play | When Steam asks you something |
| Disk space is running out | Storage: how Superposer saves space |
| You deleted the app, or want it gone | If you deleted the app, Uninstalling Superposer |
Not listed? Help › Report a Problem… makes a report you can read before you send it, and support@superposer.app answers email.