codex - 💡(How to fix) Fix Codex Windows "not responding" freeze/hang with long chat/thread [1 comments, 2 participants]

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openai/codex#19923Fetched 2026-04-29 06:25:23
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What version of the Codex App are you using (From “About Codex” dialog)?

26.422.30944

What subscription do you have?

Pro 5x

What platform is your computer?

Microsoft Windows NT 10.0.19045.0 x64

What issue are you seeing?

In long threads, the Windows app starts to hang/freeze after sending a message and when the final response is done. The longer the thread, the longer the freeze. Initially a few seconds, then a hang for a minute or two. It's a shame since context so it'd be nice to keep threads going.

<img width="457" height="219" alt="Image" src="https://github.com/user-attachments/assets/3211e529-cf15-4ea8-b456-e6315a75ee2f" />

What steps can reproduce the bug?

Keep chatting back and forth in thread until it's long enough to hang. A day's worth is often enough for me, 50-100 or so messages.

What is the expected behavior?

No response

Additional information

No response

extent analysis

TL;DR

The issue may be related to performance degradation in the Codex App when handling long threads, and a potential fix could involve optimizing the app's memory management or thread handling.

Guidance

  • Investigate the app's memory usage and performance metrics to identify potential bottlenecks when handling long threads.
  • Try to reproduce the issue with a smaller thread size to determine if the problem is directly related to the thread length.
  • Consider testing the app on a different platform or with a different subscription plan to see if the issue is specific to the current configuration.
  • Look into any available updates or patches for the Codex App, as version 26.422.30944 may have known issues or limitations.

Notes

The provided information suggests a potential performance-related issue, but without more details on the app's architecture or internal workings, it's difficult to provide a more specific solution.

Recommendation

Apply workaround: The user may need to implement a temporary workaround, such as regularly clearing the thread history or using a different messaging platform, until a more permanent fix can be found.

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codex - 💡(How to fix) Fix Codex Windows "not responding" freeze/hang with long chat/thread [1 comments, 2 participants]