Startup rename_staging EPERM

“The relocation repeatedly fails at the rename_staging operation with Windows EPERM.”

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/15741/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

Fading. No reports in the last 7 days and 1 the week before, down from 3 a week at the mid-September peak.

Desktop startup fails with EPERM during rename_staging on Windows. Bundled codex.exe and node runtime cannot be relocated from a .staging-* directory, showing "Unable to locate the Codex CLI binary".

Is this your bug?

File my report

Where: Windows desktop app
Error text: Unable to locate the Codex CLI binary or required runtime components. Check the installation or explicit runtime overrides.
errorCode=EPERMPasted in 5 reports
errorMessage="Bundled executable relocation failed during rename_staging"Pasted in 2 reports
Versions: 0.155.0 to 26.1021.3705.0
Platforms: Windows
How bad: Stops work: a core feature can't be used. Some reports say it used to work.

Part of: Windows app updates break Codex5 bugs

In-app update fails to register6 people
Code-mode host not found3 people
Auth fails after codex.exe moves5 people
Windows app won't launch or stays on old version3 people

Not quite your bug?

Sandbox setup refresh fails308 people
Stuck on startup splash7 people
Windows sandbox setup fails validating long cua_node runtime paths11 people

Original reports5, newest first

Oct 25, 2026[Windows] Codex cannot load organization settings (Unable to load organization settings): codex.exe deployment rename_staging / EPERMOn GitHub#57005
Sep 24, 2026[Windows] End-to-end workaround: rename_staging EPERM -> sandbox helper missing -> code-mode host missing with CODEX_CLI_PATHOn GitHub#47759
Sep 19, 2026[Windows] 26.915.4065.0: rename_staging EPERM leaves Browser / Chrome / Computer Use without node_replOn GitHub#46748
Sep 16, 2026[Windows] Startup fails after a Store update with rename_staging EPERM for CLI and Node runtimeOn GitHub#45858
Sep 14, 2026[Windows] Desktop startup repeatedly fails with EPERM during bundled executable rename_staging; succeeds after ProcMon changes timingOn GitHub#45593