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21 people reported

All time, since Sep 8, including 3 thumbs-up on GitHub.

Windows app crashes after launch

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

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I hit this bug: rapsheet.dev/sheets/codex/themes/179/file
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Quiet. No reports and thumbs-up in the last two weeks, down from 12 a week at the early-October peak.

3 bugs in this theme

  1. Crash in windows-updater.nodeNo workaround yet10 people
  2. Desktop app crashes at startupHas a workaround7 people
  3. Desktop crashes on launchNo workaround yet4 people

What's included

  • Window appears briefly or blank, then the process exits with breakpoint 0x80000003 in chrome.dll
  • Access violation 0xC0000005 reading address 0x0 in windows-updater.node after the chat or sign-in appears
  • Chromium log shows "OOM error in V8: Zone Allocation failed" before exit, with plenty of free RAM
  • Persists after reinstall, repair, fresh web profile and --disable-gpu, across versions and PCs

Not included

  • App stays open but never shows a window
  • App stays open on a spinner or logo screen
  • App blocked by an organization settings dialog

Original reports19, newest first

  1. Codex Desktop crashes immediately after launch — V8 OOM / 0x80000003On GitHub#55836
  2. # Codex Desktop crashes immediately after launch — V8 OOM / 0x80000003On GitHub#55835
  3. Codex Windows desktop app crashes on startup after update (0x80000003, chrome.dll)On GitHub#54625
  4. [Windows app] Crash after sign-in in windows-updater.node (0xc0000005), package 26.1007.2314.0On GitHub#52684
  5. [Windows] App crashes after ~100s — null pointer access in windows-updater.node (0xc0000005)On GitHub#52646
  6. [Windows 11] ChatGPT/Codex Desktop crashes on startup — local projects and chats disappear after profile resetOn GitHub#52592
  7. Windows desktop app crashes in windows-updater.node with 0xC0000005 across two versionsOn GitHub#52540
  8. [Windows] Account-specific crash in windows-updater.node – 0xC0000005On GitHub#52237
  9. [Windows] Codex desktop app crashes after signing in with one specific ChatGPT Pro account (0xC0000005 in windows-updater.node)On GitHub#52188
  10. Windows desktop crash in windows-updater.node +0x1A789 — 26.1002.7124.0On GitHub#52029
Show all 19Show only the newest 10
  1. Codex App Crashing After Today's UpdateOn GitHub#52002
  2. Codex Desktop silently exits on Windows 11 25H2 Build 26200.9457On the forum#1403868
  3. [Windows] Codex desktop crashes in windows-updater.node with 0xC0000005; persists after reinstall, repair, and fresh sign-inOn GitHub#51340
  4. [Windows][Desktop] ChatGPT Desktop crashes 1–2 seconds after launch with V8 OOM / 0x80000003On GitHub#51282
  5. [Windows 11] ChatGPT/Codex crashes shortly after startup — 0x80000003 in chrome.dllOn GitHub#50667
  6. Codex Desktop crashes 2–7 seconds after launch on two Windows PCs — BREAKPOINT 0x80000003 in chrome.dllOn GitHub#49024
  7. Windows desktop app 26.917.6896.0 crashes shortly after launch in windows-updater.node (0xC0000005)On GitHub#47446
  8. [Windows][26.915.4065.0] MSIX browser process hits chrome.dll STATUS_BREAKPOINT on every startupOn GitHub#47336
  9. Bug: Codex 26.901.6511.0 launches background processes but GUI never appears (Windows 11 25H2 Build 26200.9168)On the forum#1395948

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