The short version
- OpenAI confirmed a fault in ChatGPT desktop app version 26.1002.51308 that stopped new ChatGPT Work threads from being created. It has released a fixed app version for Linux, macOS and Windows.
- To fix it, update the ChatGPT desktop app to the latest version.
- OpenAI marked the incident resolved at 11:53 UTC on October 7, 2026.
If you cannot create a ChatGPT Work thread in the desktop app, you are probably on the affected version. OpenAI acknowledged the problem and has fixed it in a newer version. The incident listed Codex in ChatGPT Desktop as affected and named Work thread creation as the failure.
Why Can’t Codex Create a New Thread?
A fault in ChatGPT desktop app version 26.1002.51308 prevented new ChatGPT Work threads. OpenAI’s incident page now shows a Resolved status. The failure was an OpenAI issue, not one unique to your setup.
OpenAI’s first update reads: “We are investigating the issue. Version 26.1002.51308 is affected”. Its second update, at 05:54 UTC on October 7, 2026, reads: “we have identified the issue, working on rolling back to the previous version.” At 09:28 UTC on October 7, 2026, OpenAI said it had released an updated app version for Linux and macOS and was still working on Windows. Its final update, at 11:53 UTC on October 7, 2026, reads: “We have released an updated app version with the fix for Linux, macOS and Windows. Affected users should update to the latest version.”
OpenAI published the incident at 05:31 UTC on October 7, 2026 and resolved it at 11:53 UTC on October 7, 2026.
Who is affected by the Codex desktop thread issue?
The reported problem concerned ChatGPT Work thread creation in desktop app version 26.1002.51308. The incident’s first title was “new thread failed on the latest desktop app version for personal accounts”. Its current title is “Unable to create new ChatGPT Work threads in latest version of desktop app”. The change in title does not establish which account types are affected.
Which parts of Codex were affected, and which stayed operational?
At 05:47 UTC on October 7, 2026, OpenAI’s status page listed Codex in ChatGPT Desktop as partially unavailable and showed the following component states.
Codex component status
| Part of Codex | Status at 05:47 UTC on October 7, 2026 |
|---|---|
| Codex in ChatGPT Desktop | Partial outage |
| Codex Web | Operational |
| CLI | Operational |
| VS Code extension | Operational |
| Codex API | Operational |
Those other ways to use Codex were listed as operational at that time. After the fix, OpenAI’s status page showed every component as operational.
Other OpenAI incidents from October 5 to 7, 2026
OpenAI’s status page also shows a Workspace Agents incident that opened at 01:12 UTC on October 7, 2026 and was resolved at 03:00 UTC on October 7, 2026. It shows an Elevated Work Mode errors incident that opened at 07:03 UTC on October 5, 2026 and was resolved at 02:10 UTC on October 6, 2026. A multi-product incident that covered ChatGPT conversations, image generation and Dots opened at 02:41 UTC on October 6, 2026 and was resolved at 03:17 UTC on October 6, 2026.
Update the ChatGPT desktop app to the latest version. OpenAI says the fix is in the updated app for Linux, macOS and Windows. In the app, open Menu, then Check for Updates; on a Mac, use the app menu in the menu bar. Install the update, then fully quit and reopen the app. If you cannot update yet, Codex on the web, in the CLI or in the VS Code extension is a separate way in.
FAQs
Which ChatGPT desktop app version is affected?
Version 26.1002.51308 was affected by the ChatGPT Work thread creation failure.
When was the Codex desktop incident published?
OpenAI published it at 05:31 UTC on October 7, 2026.
Has OpenAI fixed the Codex desktop thread issue?
Yes. OpenAI resolved the incident at 11:53 UTC on October 7, 2026 and said it had released an updated app version with the fix for Linux, macOS and Windows. Update the app to get the fix.
Where can I follow updates on the Codex desktop incident?
Follow OpenAI’s incident page for updates.
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