Codex Desktop crashes immediately on startup -- no window appears (Windows Insider Build 26200) #27524

What version of the Codex App are you using?

26.608.12217 (Store package 26.608.1337.0; About dialog unreachable)

What subscription do you have?

ChatGPT Plus

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What issue are you seeing?

Codex Desktop crashes silently ~2 seconds after launch. No window ever appears. The codex CLI (npm package) works normally on the same machine.

Startup sequence captured from Sentry breadcrumbs + app log before crash:

1. app.will-finish-launching -> app.ready
2. Log: Launching app ... enableUpdater=true ... packaged=true platform=win32
3. Node.js url.parse() DEP0169 deprecation warning
4. HTTP GET persistent.oaistatic.com/codex-app-prod/windows-store-update.json -> 200
5. Crash -- process exits with code 0xE06D7363 (unhandled C++ exception)

Three Crashpad minidumps (~36 MB each) were generated at:
C:\Users\<user>\AppData\Local\Packages\OpenAI.Codex_2p2nqsd0c76g0\LocalCache\Roaming\Codex\web\Codex\Crashpad\

What steps can reproduce the bug?

1. Install Codex Desktop from Microsoft Store on Windows Insider Preview Build 26200
2. Launch the app (from Start Menu, taskbar, or shell:AppsFolder URI)
3. The process starts, runs for ~2 seconds, then terminates with no window shown

What is the expected behavior?

Codex Desktop should open and display the main window.

Additional information

• Windows security updates KB5094126 and KB5094135 were installed the same day the crash began
• Reinstalling the app and clearing all LocalCache data did not resolve the issue
• VS Code (also Electron-based) launches normally on the same machine, ruling out a system-wide Electron issue
• GPU: NVIDIA GeForce RTX 3060 Ti, driver 32.0.15.8157
• Locale: zh-TW (username contains CJK characters)
• Electron/Chromium: 149.0.7827.54 / Node.js: 24.14.0