codex - 💡(How to fix) Fix Closing Codex app does not close the Codex app [1 comments, 2 participants]

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openai/codex#17411Fetched 2026-04-11 06:16:37
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What version of the Codex App are you using (From “About Codex” dialog)?

26.406.40811

What subscription do you have?

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What issue are you seeing?

After closing Codex app, the process is still alive. Resources are significantly dropping, about 50%, e.g. ~800MB to ~400MB, then no futher changes. You can start the Codex app once manually killed.

What steps can reproduce the bug?

Open the Codex app, then close, then try to open it again, but no window.

What is the expected behavior?

Open the Codex app, then close, then open it again, a new window should appear.

Additional information

No response

extent analysis

TL;DR

  • Manually killing the remaining Codex app process allows the application to be restarted, suggesting a potential issue with the application's shutdown sequence.

Guidance

  • Verify that the issue persists across multiple restarts and closures to rule out intermittent behavior.
  • Investigate the system's process manager or task list to confirm the Codex app process remains active after closure.
  • Check for any background services or threads that might be preventing the application from fully shutting down.
  • Consider monitoring system resources (e.g., memory, CPU) to understand the impact of the lingering process.

Example

  • No specific code snippet can be provided without more context on the application's internals, but monitoring the process's behavior through the task manager or similar tools could offer insights.

Notes

  • The exact cause of the issue (e.g., a bug in the shutdown routine, a dependency issue) cannot be determined without further technical details about the Codex app's architecture or codebase.
  • The behavior described could be version-specific, but without more information on previous versions or updates, it's difficult to assess.

Recommendation

  • Apply workaround: Manually killing the process as a temporary solution until a more permanent fix can be identified and implemented, as it allows the application to be used again without fully resolving the underlying issue.

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