Crash in windows-updater.node

“The Codex desktop application closes unexpectedly after signing in.”

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I hit this bug: rapsheet.dev/sheets/codex/issues/9294/file
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No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Quiet. No reports and thumbs-up in the last two weeks, down from 8 a week at the early-October peak.

Windows app crashes shortly after launch in windows-updater.node. The main window closes and the process exits after opening or signing in; dumps show a null pointer read (0xC0000005).

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File my report

Where: Windows desktop app
Error text: Access violation reading address 0x0
Exception: 0xC0000005Pasted in 2 reports
Versions: 26.930.7945.0 to 26.1007.21434
Platforms: Windows
How bad: Stops work: a core feature can't be used. Some reports say it blocks them completely.

Part of: Windows app crashes after launch3 bugs

Desktop app crashes at startup7 people
Desktop crashes on launch4 people

Not quite your bug?

No window on launch3 people
Desktop app browser-process crash3 people

Original reports9, newest first

Oct 9, 2026[Windows app] Crash after sign-in in windows-updater.node (0xc0000005), package 26.1007.2314.0On GitHub#52684
Oct 9, 2026[Windows] App crashes after ~100s — null pointer access in windows-updater.node (0xc0000005)On GitHub#52646
Oct 9, 2026Windows desktop app crashes in windows-updater.node with 0xC0000005 across two versionsOn GitHub#52540
Oct 8, 2026[Windows] Account-specific crash in windows-updater.node – 0xC0000005On GitHub#52237
Oct 8, 2026[Windows] Codex desktop app crashes after signing in with one specific ChatGPT Pro account (0xC0000005 in windows-updater.node)On GitHub#52188
Oct 8, 2026Windows desktop crash in windows-updater.node +0x1A789 — 26.1002.7124.0On GitHub#52029
Oct 8, 2026Codex App Crashing After Today's UpdateOn GitHub#52002
Oct 6, 2026[Windows] Codex desktop crashes in windows-updater.node with 0xC0000005; persists after reinstall, repair, and fresh sign-inOn GitHub#51340
Sep 23, 2026Windows desktop app 26.917.6896.0 crashes shortly after launch in windows-updater.node (0xC0000005)On GitHub#47446