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claude-code - 💡(How to fix) Fix [BUG] Claude Desktop Cowork crashed after update [1 comments, 2 participants]

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anthropics/claude-code#49050•Fetched 2026-04-17 08:52:17
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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?

after updating to MacOS Tahoe 26.4.1 (25E253) , claude cowork within claude dektop crashes

What Should Happen?

claude cowork should stay stable

Error Messages/Logs

Steps to Reproduce

open claude desktop, go to a project, enter a prompt and hit enter. claude desktop crashes

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

Claude 1.2773.0 (884b37)

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 the recent MacOS update, and reverting or troubleshooting the MacOS version might resolve the Claude desktop crashing issue.

Guidance

  • Verify that the issue persists when using a different Claude model, such as a non-default model, to isolate if the problem is model-specific.
  • Try to reproduce the issue on a different MacOS version or a virtual machine to determine if the problem is specific to MacOS Tahoe 26.4.1.
  • Check for any known issues or compatibility problems with Claude Code and MacOS Tahoe 26.4.1, as this might be a regression introduced by the update.
  • If possible, test the same workflow on a previous MacOS version to confirm if the issue is indeed a regression.

Notes

The lack of error messages or logs makes it challenging to provide a more specific solution. Additionally, without knowing the last working version of Claude Code, it's difficult to pinpoint the exact cause of the regression.

Recommendation

Apply workaround: Since the issue seems to be related to the MacOS update, trying to revert or find a compatible version of MacOS might be the best course of action until a fixed version of Claude Code is released.

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#api#model save/load#optimization#mixed precision#training loop

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claude-code - 💡(How to fix) Fix [BUG] Claude Desktop Cowork crashed after update [1 comments, 2 participants]