Codex extension crashes with code=3221225477 on Windows

Open 💬 1 comment Opened Apr 21, 2026 by EtnHalo04

<img width="602" height="608" alt="Image" src="https://github.com/user-attachments/assets/429f60c3-05fa-42ee-aea7-4651e21f99f7" />

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

Latest version (just installed from VS Code Marketplace)

What subscription do you have?

ChatGPT Plus

What platform is your computer?

Windows 10/11 x64

What issue are you seeing?

The Codex (ChatGPT) extension crashes immediately after opening in VS Code.

Error message:
(code=3221225477, signal=null)

In a previous attempt, I also received:
"Failed to refresh token: error sending request for url (https://auth.openai.com/oauth/token)"

The extension does not load the interface and becomes unusable.

What steps can reproduce the bug?

  1. Install the ChatGPT (OpenAI) extension in VS Code
  2. Open VS Code normally (local folder, not WSL)
  3. Click on the ChatGPT / Codex extension
  4. The extension attempts to start
  5. It crashes immediately with error (code=3221225477, signal=null)

Additional:

  • Happens with VPN ON and OFF
  • Happens after reinstalling the extension
  • Happens after restarting VS Code

What is the expected behavior?

The Codex / ChatGPT extension should load normally, allow login, and display the chat interface without crashing.

Additional information

  • OS: Windows 10/11 x64
  • IDE: VS Code
  • Extension freshly installed
  • Issue persists after reinstall and clearing cache
  • Likely related to native crash or dependency issue

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