“Codex Computer Use” is damaged and can’t be opened after Mac restart

Codex app version

Desktop Codex: 26.609.41114 — released Jun 12, 2026

Platform / plan

• macOS Tahoe 26.5.1
• MacBook Pro, 16-inch
• Apple M5 Max
• 128 GB memory
• Pro plan

Summary

After restarting my Mac, macOS suddenly showed a system warning saying that “Codex Computer Use” is damaged and can’t be opened.

The warning says:

“Codex Computer Use” is damaged and can’t be opened.
You should move it to the Trash.

This file was downloaded on an unknown date.

<img width="520" height="560" alt="Image" src="https://github.com/user-attachments/assets/e72d4251-5382-4004-b718-9f8ce2752b64" />