LIMPET

The bundled Intel Wine runtime cannot start: Rosetta is unavailable or failed to install, or Legacy Game Test Mode disabled translation on a macOS 27 beta.

Try this#

1. If offered, choose Install Rosetta…, confirm the macOS prompt, and wait.
2. Choose Retry or Check Again.
3. On a macOS 27 beta, turn off Legacy Game Test Mode. See macOS compatibility. Restart the Mac and check again.
4. Install pending macOS updates.

Report this problem#

Report the code, macOS version, whether the launcher offered an installation, and whether other Intel apps run.