App never shows a window

“The Codex Windows desktop app starts in the background but never displays a visible window.”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/codex/issues/20917/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Windows app runs in background but never shows a window. After launching the desktop app, ChatGPT.exe and helper processes run but PowerShell reports MainWindowHandle = 0 and no renderer process starts.

Is this your bug?

File my report

Where: Windows desktop app
Versions: 26.1021.3705.0
Platforms: Windows
How bad: Stops work: a core feature can't be used.

Part of: Windows app opens no window3 bugs

App launches with no window3 people
No window on launch3 people

Not quite your bug?

Desktop app crashes at startup7 people
Startup spinner never finishes37 people

Original reports2, newest first

Oct 24, 2026Windows: Codex 26.1021.3705.0 starts main process but never creates a window (no renderer process)On GitHub#56749
Oct 24, 2026Codex Windows desktop app runs in background but never displays a windowOn GitHub#56681