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codex - 💡(How to fix) Fix Windows 11: Codex Desktop 26.513.31313 shows “Oops, an error has occurred” when resuming existing thread

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Error Message

When I select an existing thread/conversation from the sidebar/history, the app shows a generic error screen:

Oops, an error has occurred

  1. Observe the generic “Oops, an error has occurred” error screen.
  • show a specific actionable error if the local session cannot be resumed.

Root Cause

I am not sure whether this is the same root cause, but the behavior appears to be in the same area: resuming existing Desktop threads on Windows after a recent update.

RAW_BUFFERClick to expand / collapse

What version of the Codex App are you using (From “About Codex” dialog)?

26.513.31313

What subscription do you have?

Plus

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What issue are you seeing?

Since updating Codex Desktop today to version 26.513.31313, I can no longer reliably resume an existing thread from the Desktop app.

When I select an existing thread/conversation from the sidebar/history, the app shows a generic error screen:

Oops, an error has occurred

The thread does not resume successfully.

This started after installing the latest desktop update today. I did not knowingly change my workspace, session files, or Codex configuration at the same time.

What steps can reproduce the bug?

  1. Use Codex Desktop on Windows 11.
  2. Update to version 26.513.31313.
  3. Open Codex Desktop.
  4. Select an existing thread/conversation from the sidebar/history.
  5. Attempt to resume that thread.
  6. Observe the generic “Oops, an error has occurred” error screen.

What is the expected behavior?

Selecting an existing thread should resume it normally in Codex Desktop.

The app should either:

  • reopen the existing thread successfully, or
  • show a specific actionable error if the local session cannot be resumed.

Additional information

This looks possibly related to recent Windows resume/session-state issues:

  • #21659
  • #22854
  • #21761
  • Possibly related history/sidebar/session hydration issues mentioned in #22438

I am not sure whether this is the same root cause, but the behavior appears to be in the same area: resuming existing Desktop threads on Windows after a recent update.

If helpful, I can provide logs. Please let me know which log file/location would be most useful.

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#latency issue#model loading#dependency error#configuration error#environment variable

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