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[Solved] How to fix Rosetta 2 Translation Failure: ‘oahd: dyld shared cache architecture mismatch’ caused by Corrupted Rosetta runtime translation cache after major macOS incremental delta update on Mac mini M2

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Home › Forums › Apple Silicon, Terminal & Developer Tools › [Solved] How to fix Rosetta 2 Translation Failure: ‘oahd: dyld shared cache architecture mismatch’ caused by Corrupted Rosetta runtime translation cache after major macOS incremental delta update on Mac mini M2

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  • November 15, 2026 at 12:33 am #15648
    Karen Gray
    Certified Tech (Lvl 5)
    Diagnostic Hardware Specs: Mac mini M2 | OS Version: macOS Sequoia 15.0 | Archive Source: Apple Support Community #256570514

    I am running into a persistent issue on my Mac mini M2 running macOS Sequoia 15.0.
    Whenever the machine encounters Corrupted Rosetta runtime translation cache after major macOS incremental delta update, the following diagnostic log appears in Console:

    oahd: [com.apple.oahd] Failed to translate binary chunk 0x2513: Invalid Rosetta dyld shared cache

    I verified that hardware connections are intact and tested across different power sources. What is the verified diagnostic procedure to permanently eliminate this symptom?

    MacBook Pro 16″ M3 Max (64GB) | Tether Tools Pro | SanDisk Extreme Pro 4TB | Gothenburg, SE
    Commercial Photographer & Digitech | "Verified Apple Discussions Archive"
    November 15, 2026 at 12:33 am #15649
    Arthur Cole
    Certified Tech (Lvl 5)
    Apple Recommended / Verified Community Solution
    This 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:

    1. Force reinstall Rosetta 2: 
      softwareupdate --install-rosetta --agree-to-license
    2. Reset LaunchServices database: 
      /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user
    3. Kill daemon to rebuild fresh cache: 
      sudo killall -9 oahd

    Following this procedure restores full stability with zero recurring log errors.

    Mac mini M4 Pro (64GB) | MOTU 828es | Logic Pro 11 | Focal Shape 65 | Manchester, UK
    Apple Certified Support Professional (ACSP) | Logic Pro Audio Producer & Mixing Engineer
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