›_ Claude Code Issues
Claude Code Issues / #49346

Cowork crashes with "exited with code 1" on v1.3036.0 (macOS) Body:

Resolved 💬 16 comments Opened Apr 16, 2026 by mason829 Closed Apr 17, 2026
💡 Likely answer: A maintainer (claude[bot], contributor) responded on this thread — see the highlighted reply below.

Preflight Checklist

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

What's Wrong?

Version: 1.3036.0 (cf521c)
macOS version: [whatever yours is — Apple menu > About This Mac]
Chat mode works fine
Cowork crashes on both existing and new threads
Started immediately after updating to this version today
No config or OS changes on my end

What Should Happen?

IT should launch without crashing

Error Messages/Logs

Steps to Reproduce

Installed new version.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

1.3036.0 (cf521c)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_

View original on GitHub ↗

16 Comments

parkerrsimon · 3 months ago

I'm having this issue too!

github-actions[bot] · 3 months ago

Found 2 possible duplicate issues:

  1. https://github.com/anthropics/claude-code/issues/49328
  2. https://github.com/anthropics/claude-code/issues/49349

This issue will be automatically closed as a duplicate in 3 days.

  • If your issue is a duplicate, please close it and 👍 the existing issue instead
  • To prevent auto-closure, add a comment or 👎 this comment

🤖 Generated with Claude Code

chickeneye · 3 months ago

also having this

jscarlton · 3 months ago

Me, too.

tedyuan-idz · 3 months ago

Having same issue

Jiaying-Xue-0 · 3 months ago

same here
<img width="982" height="675" alt="Image" src="https://github.com/user-attachments/assets/834b599a-e6d9-4d76-817c-d112a8fe0d68" />

cyrille-svg · 3 months ago

same here

adlabbe · 3 months ago

Also happening for me

jrmorey · 3 months ago

Also happening to me. Windows. Post update

amehizzle · 3 months ago

same!!!!!

VolodymyrSinkov · 3 months ago

same issue on Mac M3 max

davidjwalton2020-oss · 3 months ago

Same here on Mac Mini M4 running Tahoe 26.4.1 - Claude v 1.3036.0

lisamunoz-source · 3 months ago

Same issue. iMac M1 2021 running Sonoma 14.6.1

captain1267 · 3 months ago

Same issue. Mac Mini M4. Claude 1.3036.0 (cf521c)

claude[bot] contributor · 3 months ago

This is a duplicate of #49358, which was fixed as of version 1.3109.0.

github-actions[bot] · 2 months ago

This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.