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Gregory Perez
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November 14, 2026 at 8:24 pm in reply to: [Solved] Rosetta 2 Translation Failure: ‘oahd: dyld shared cache architecture mismatch’ on macOS Sequoia 15.0: Diagnostic steps and permanent fix #11691
Gregory Perez
Community ContributorApple Recommended / Verified Community SolutionThis canonical solution was verified and marked as solved in the Apple Support Community archive.Reinstalling Rosetta 2 runtime daemon and rebuilding LaunchServices database.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Force reinstall Rosetta 2:
softwareupdate --install-rosetta --agree-to-license - Reset LaunchServices database:
/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user - Kill daemon to rebuild fresh cache:
sudo killall -9 oahd
Following this procedure restores full stability with zero recurring log errors.
MacBook Pro 14″ M2 Max (32GB) | Pro Display XDR | iPad Pro 13″ M4 | Seattle, WAApple Certified Support Professional (ACSP) | Product Designer & Design Systems Lead - Force reinstall Rosetta 2:
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