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claude-code - 💡(How to fix) Fix [BUG] Claude Desktop 1.2278.0 crashes on launch - macOS Tahoe 26.4.1 / Apple M5 (Mac17,2) [1 participants]

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anthropics/claude-code#47925•Fetched 2026-04-15 06:38:27
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Error Message

Error Messages/Logs

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Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

App version: 1.2278.0 macOS: 26.4.1 (25E253) Hardware: MacBook Pro Mac17,2 (Apple M5, ARM-64) Electron Framework: 41.2.0

What happens: App crashes immediately on launch with EXC_BREAKPOINT (SIGTRAP). Crash occurs in main thread during V8/Electron initialization, before UI loads.

Crash type: EXC_BREAKPOINT / Trace/BPT trap: 5 Faulting thread: com.apple.main-thread Stack: ares_dns_rr_get_ttl → v8::Isolate::Dispose() → ElectronMain → start

Related issues: #29625, #47644

What Should Happen?

Claude Desktop should launch and reach the main chat UI without crashing. The app should be stable on macOS Tahoe 26.4.1 running on Apple M5 hardware (Mac17,2).

Error Messages/Logs

Steps to Reproduce

  1. Download Claude Desktop 1.2278.0 from claude.ai/download
  2. Install on macOS Tahoe 26.4.1 (25E253) on Apple M5 (Mac17,2)
  3. Launch the app
  4. App crashes immediately before reaching the UI

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

1.2278.0

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue is likely related to a compatibility problem between the Electron Framework version 41.2.0 and the macOS version 26.4.1, causing the app to crash immediately on launch.

Guidance

  • Investigate the Electron Framework version compatibility with macOS 26.4.1, as the crash occurs during V8/Electron initialization.
  • Review the related issues #29625 and #47644 to see if they provide any insights into the problem or potential solutions.
  • Consider testing the app on a different version of macOS or Electron Framework to isolate the issue.
  • Check the Electron Framework documentation for any known issues or updates related to macOS 26.4.1 compatibility.

Notes

The issue seems to be specific to the combination of Electron Framework 41.2.0 and macOS 26.4.1, and more information about the compatibility between these versions is needed to provide a definitive solution.

Recommendation

Apply workaround: Try downgrading the Electron Framework version to a previous one that is known to be compatible with macOS 26.4.1, if possible, to see if the issue is resolved.

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