Windows desktop app crashes on launch with code=3221225477

[baobaoxiaojingyu-a11y]

Environment:

• Windows desktop app downloaded from the official Codex Windows download page

• Also reproduced with Microsoft Store version

• Windows account: local Administrator

• WSL is installed but no Linux distro is configured for use

• Tried both native sandbox modes:

  • [windows] sandbox = "elevated"
  • [windows] sandbox = "unelevated"

Observed behavior:

• App crashes immediately on launch before usable UI appears

• Error shown:

  • code=3221225477
  • sometimes Most recent error: None
  • previously also saw Most recent error: write EPIPE

Additional evidence:

• C:\Users\Administrator\.codex is created
• files like logs_2.sqlite and state_5.sqlite exist
• no .sandbox directory is created, so there is no sandbox.log

Reproduction:

1. Install Codex Windows desktop app from official website or Microsoft Store
2. Launch app
3. Crash happens immediately

[github-actions]

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

• Codex Windows app (Microsoft Store) crashes on first screen with: code=3221225477, signal=null #17485
• Codex app cannot be opened after installation #17869
• Codex Windows desktop app still crashes on latest Store build due to WindowsApps ACL sandbox failure (SetNamedSecurityInfoW failed: 5) #17901

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