openai/codex · error · anyhow::Error

Windows sandbox is only available on Windows

Error message

Windows sandbox is only available on Windows

What it means

Error "Windows sandbox is only available on Windows" thrown in openai/codex.

Source

Thrown at codex-rs/windows-sandbox-rs/src/lib.rs:865

        pub exit_code: i32,
        pub stdout: Vec<u8>,
        pub stderr: Vec<u8>,
        pub timed_out: bool,
    }

    #[allow(clippy::too_many_arguments)]
    pub fn run_windows_sandbox_capture(
        _permission_profile: &PermissionProfile,
        _workspace_roots: &[AbsolutePathBuf],
        _codex_home: &Path,
        _command: Vec<String>,
        _cwd: &Path,
        _env_map: HashMap<String, String>,
        _timeout_ms: Option<u64>,
        _cancellation: Option<WindowsSandboxCancellationToken>,
        _use_private_desktop: bool,
    ) -> Result<CaptureResult> {
        bail!("Windows sandbox is only available on Windows")
    }

    pub fn run_windows_sandbox_legacy_preflight(
        _permission_profile: &PermissionProfile,
        _workspace_roots: &[AbsolutePathBuf],
        _codex_home: &Path,
        _cwd: &Path,
        _env_map: &HashMap<String, String>,
    ) -> Result<()> {
        bail!("Windows sandbox is only available on Windows")
    }
}

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/lib.rs:865 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/a11d92bb78d5e05d. Report an issue: GitHub.