Codex Desktop crash lost active-task progress

The report names no source file, test, or reproducible steps. Start with the Windows Application Error and Windows Error Reporting records for package OpenAI.Codex_26.707.9981.0_x64__2p2nqsd0c76g0, then trace the desktop crash and session-recovery path; done means the failure is diagnosed and active-task progress is either recovered or clearly reported.

What version of the Codex App are you using (From “About Codex” dialog)?

26.707.9981.0

What subscription do you have?

Plus

What platform is your computer?

Windows 10

What issue are you seeing?

Codex Desktop 26.707.9981.0 crashed repeatedly on Windows 10 while a task was active. The app created a replacement session, but did not visibly recover or reconnect the interrupted task's progress.

Windows: 33 matching Application events: 11 Application Error events (ID 1000) and 22 Windows Error Reporting events (ID 1001). The failures identify MoAppCrash, package OpenAI.Codex_26.707.9981.0_x64__2p2nqsd0c76g0, and exception 0xc06d007f.

Impact: The active task was interrupted and its progress appeared lost. Codex gave no clear crash notice or recovery action, just closed.

What steps can reproduce the bug?

No manual reproduction is known; this occurred during normal use.

What is the expected behavior?

No response

Additional information

Codex Desktop crash evidence
Collected from the Windows Application event log on 2026-07-16.
No Codex session contents are included.

ENVIRONMENT
Windows 10
Codex package: OpenAI.Codex_26.707.9981.0_x64__2p2nqsd0c76g0
Incident window: 2026-07-16 14:04:59 through 14:07:05 UTC+7

SUMMARY
33 matching Windows Application events
11 x Application Error, event ID 1000
22 x Windows Error Reporting, event ID 1001
11 distinct crash Report IDs
Exception code: 0xc06d007f
WER event name: MoAppCrash

FULL APPLICATION ERROR RECORD
TimeCreated: 2026-07-16 14:04:59 UTC+7
Provider: Application Error
Event ID: 1000
Event record ID: 339258

Faulting application name: bad_module_info, version: 0.0.0.0, time stamp: 0x00000000
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0xc06d007f
Fault offset: 0x00007ff909d05369
Faulting process id: 0x3a68
Faulting application start time: 0x01dd14f149ff674b
Faulting application path: bad_module_info
Faulting module path: unknown
Report Id: 88998b66-c25b-460e-a814-bae7732cf362
Faulting package full name: OpenAI.Codex_26.707.9981.0_x64__2p2nqsd0c76g0
Faulting package-relative application ID: App

FULL WINDOWS ERROR REPORTING RECORD
TimeCreated: 2026-07-16 14:05:00 UTC+7
Provider: Windows Error Reporting
Event ID: 1001
Event record ID: 339259

Fault bucket , type 0
Event Name: MoAppCrash
Response: Not available
Cab Id: 0

Problem signature:
P1: OpenAI.Codex_26.707.9981.0_x64__2p2nqsd0c76g0
P2: praid:App
P3: 0.0.0.0
P4: 00000000
P5: StackHash_0000
P6: 0.0.0.0
P7: 00000000
P8: c06d007f
P9: PCH_84
P10:

These files may be available here:
\?\C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_OpenAI.Codex_26._fee734c4556c8a88685f61435317b17f5414ff5_461bd8cb_9a39f3fd-745d-4150-a8d5-7329f873fbd7

Analysis symbol:
Rechecking for solution: 0
Report Id: 88998b66-c25b-460e-a814-bae7732cf362
Report Status: 4
Hashed bucket:
Cab Guid: 0

The WER directory was subsequently moved to ReportArchive, but no payload files remain in it. The Windows Application event records are therefore the available primary crash evidence.

COMPLETE INCIDENT EVENT INDEX
Time Event Record Provider Report ID
2026-07-16 14:04:59 1000 339258 Application Error 88998b66-c25b-460e-a814-bae7732cf362
2026-07-16 14:05:00 1001 339259 Windows Error Reporting 88998b66-c25b-460e-a814-bae7732cf362
2026-07-16 14:05:09 1001 339260 Windows Error Reporting 88998b66-c25b-460e-a814-bae7732cf362
2026-07-16 14:05:36 1000 339261 Application Error 4f76521e-fef9-45ac-8329-b60a8a5fd192
2026-07-16 14:05:37 1001 339262 Windows Error Reporting 4f76521e-fef9-45ac-8329-b60a8a5fd192
2026-07-16 14:05:38 1000 339263 Application Error 991f6d38-32fb-4379-b493-7407f1bf6245
2026-07-16 14:05:40 1001 339264 Windows Error Reporting 991f6d38-32fb-4379-b493-7407f1bf6245
2026-07-16 14:05:41 1000 339265 Application Error d580571d-ad99-4c61-8ddb-ad0aa156ace7
2026-07-16 14:05:42 1001 339266 Windows Error Reporting 4f76521e-fef9-45ac-8329-b60a8a5fd192
2026-07-16 14:05:43 1001 339267 Windows Error Reporting d580571d-ad99-4c61-8ddb-ad0aa156ace7
2026-07-16 14:05:43 1000 339268 Application Error 154583fb-4fd8-44ff-a3de-0932312ff116
2026-07-16 14:05:44 1001 339269 Windows Error Reporting 991f6d38-32fb-4379-b493-7407f1bf6245
2026-07-16 14:05:45 1001 339270 Windows Error Reporting 154583fb-4fd8-44ff-a3de-0932312ff116
2026-07-16 14:05:45 1000 339271 Application Error e33b9847-c118-4dfe-8c01-4354be833d5f
2026-07-16 14:05:46 1001 339272 Windows Error Reporting d580571d-ad99-4c61-8ddb-ad0aa156ace7
2026-07-16 14:05:46 1001 339273 Windows Error Reporting e33b9847-c118-4dfe-8c01-4354be833d5f
2026-07-16 14:05:47 1001 339274 Windows Error Reporting 154583fb-4fd8-44ff-a3de-0932312ff116
2026-07-16 14:05:49 1001 339275 Windows Error Reporting e33b9847-c118-4dfe-8c01-4354be833d5f
2026-07-16 14:05:55 1000 339276 Application Error 31d42f94-16fe-4dfe-b2d7-bfa4d6893acd
2026-07-16 14:05:56 1001 339277 Windows Error Reporting 31d42f94-16fe-4dfe-b2d7-bfa4d6893acd
2026-07-16 14:05:57 1000 339278 Application Error de8c31bd-a811-4e89-b0a6-acd073910b20
2026-07-16 14:05:58 1001 339279 Windows Error Reporting de8c31bd-a811-4e89-b0a6-acd073910b20
2026-07-16 14:06:08 1001 339280 Windows Error Reporting 31d42f94-16fe-4dfe-b2d7-bfa4d6893acd
2026-07-16 14:06:09 1001 339281 Windows Error Reporting de8c31bd-a811-4e89-b0a6-acd073910b20
2026-07-16 14:06:59 1000 339282 Application Error feff121a-0357-48e5-80d6-bb654d35734c
2026-07-16 14:07:00 1001 339283 Windows Error Reporting feff121a-0357-48e5-80d6-bb654d35734c
2026-07-16 14:07:02 1001 339284 Windows Error Reporting feff121a-0357-48e5-80d6-bb654d35734c
2026-07-16 14:07:02 1000 339285 Application Error 96249ebb-99dd-45e8-96dd-59bfb667258c
2026-07-16 14:07:03 1001 339286 Windows Error Reporting 96249ebb-99dd-45e8-96dd-59bfb667258c
2026-07-16 14:07:03 1000 339287 Application Error 1b67e398-4ab2-49af-af78-4355e6a00b43
2026-07-16 14:07:04 1001 339288 Windows Error Reporting 1b67e398-4ab2-49af-af78-4355e6a00b43
2026-07-16 14:07:04 1001 339289 Windows Error Reporting 96249ebb-99dd-45e8-96dd-59bfb667258c
2026-07-16 14:07:05 1001 339290 Windows Error Reporting 1b67e398-4ab2-49af-af78-4355e6a00b43