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[Solved] MacBook Pro 14″ M1 Pro encountering Rosetta 2 Translation Failure: ‘oahd: dyld shared cache architecture mismatch’ after update (macOS Sequoia 15.0)

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Home › Forums › Apple Silicon, Terminal & Developer Tools › [Solved] MacBook Pro 14″ M1 Pro encountering Rosetta 2 Translation Failure: ‘oahd: dyld shared cache architecture mismatch’ after update (macOS Sequoia 15.0)

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  • November 14, 2026 at 4:52 pm #8410
    Emily Hart
    Lead Moderator
    Diagnostic Hardware Specs: MacBook Pro 14″ M1 Pro | OS Version: macOS Sequoia 15.0 | Archive Source: Apple Support Community #256181936

    I am running into a persistent issue on my MacBook Pro 14″ M1 Pro 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 0x3bcc: 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 14″ M1 Pro | macOS Sequoia 15.0
    Apple Discussions Contributor | "Verified Apple Diagnostics Archive"
    November 14, 2026 at 4:52 pm #8411
    Rachel Kim
    Lead Moderator
    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.

    Apple Certified Support Professional (ACSP)
    Cupertino, CA | "Precision Apple Diagnostics"
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