{"record":{"id":"3b7ab91d9d5aec28","repo":"openai/codex","slug":"helpersetupmarkerwritefailed","errorCode":"HelperSetupMarkerWriteFailed","errorMessage":"remove setup marker file {} failed: {err}","messagePattern":"remove setup marker file (.+?) failed: (.+?)","errorType":"error_code","errorClass":"SetupFailure","httpStatus":null,"severity":"error","filePath":"codex-rs/windows-sandbox-rs/src/bin/setup_main/win/sandbox_users.rs","lineNumber":474,"sourceCode":"                \"write sandbox users file {} failed: {err}\",\n                users_path.display()\n            ),\n        ))\n    })?;\n    Ok(())\n}\n\n// Create the final marker path with its protected ACL before provisioning begins. The empty file\n// intentionally fails readiness checks while setup is in progress, and sandbox users cannot read,\n// modify, or replace it. Once every setup step succeeds, `commit_setup_marker` writes the valid\n// marker contents without changing the file's ACL.\npub(super) fn prepare_setup_marker(codex_home: &Path, real_user: &str) -> Result<()> {\n    let marker_path = sandbox_dir(codex_home).join(\"setup_marker.json\");\n    match std::fs::remove_file(&marker_path) {\n        Ok(()) => {}\n        Err(err) if err.kind() == std::io::ErrorKind::NotFound => {}\n        Err(err) => {\n            return Err(anyhow::Error::new(SetupFailure::new(\n                SetupErrorCode::HelperSetupMarkerWriteFailed,\n                format!(\n                    \"remove setup marker file {} failed: {err}\",\n                    marker_path.display()\n                ),\n            )));\n        }\n    }\n\n    let real_user_sid = resolve_sid(real_user)\n        .and_then(|sid| string_from_sid_bytes(&sid).map_err(anyhow::Error::msg))\n        .map_err(|err| {\n            anyhow::Error::new(SetupFailure::new(\n                SetupErrorCode::HelperSetupMarkerWriteFailed,\n                format!(\"resolve real user SID for setup marker failed: {err}\"),\n            ))\n        })?;\n    let sddl = to_wide(format!(","sourceCodeStart":456,"sourceCodeEnd":492,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/windows-sandbox-rs/src/bin/setup_main/win/sandbox_users.rs#L456-L492","documentation":"Error \"remove setup marker file {} failed: {err}\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/windows-sandbox-rs/src/bin/setup_main/win/sandbox_users.rs:474 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"339751715c64496cb86246bfb3935f40e309dd3d","analyzedAt":"2026-08-25T05:35:09.876Z","schemaVersion":2},"datasetVersion":"2026-08-25T06:17:31.827Z"}