[Windows app] Browser and Chrome fail before tab discovery: Cannot redefine property: process #33290

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

26.707.9564.0 (Windows x64)

What subscription do you have?

Business pro

What platform is your computer?

Windows

What issue are you seeing?

Feedback ID: 019f64ae-a44c-7173-84a6-4e238c03c733

Environment:

• Codex Windows desktop app
• Browser/Chrome plugin build: 26.707.71524

Steps to reproduce:

1. Open a task in the Codex Windows app.
2. Install or enable the OpenAI Browser plugin.
3. Open the built-in browser.
4. Ask Codex to connect to or control the browser.
5. Browser-client initialization fails before tab discovery.

The same failure occurs with the Chrome plugin.

Actual result:
Cannot redefine property: process

Expected result:
The browser runtime initializes and Codex can discover, open, and control tabs.

Troubleshooting already attempted:

• Multiple full Codex app restarts
• Browser plugin reinstall
• Chrome plugin reinstall
• Clean browser runtime reset
• Brand-new Codex task
• Reproduced with both the built-in Browser and Chrome

Impact:
This blocks authenticated production browser regression testing. Codex cannot reach the browser tab, inspect login state, or perform any browser interaction.

Logs/session were uploaded through the feedback flow using the Feedback ID above.

What steps can reproduce the bug?

Feedback ID: 019f64ae-a44c-7173-84a6-4e238c03c733

What is the expected behavior?

No response

Additional information

No response