openai/codex · error · anyhow::Error

Windows sandbox process spawn is unavailable on this platfor

Error message

Windows sandbox process spawn is unavailable on this platform

What it means

Error "Windows sandbox process spawn is unavailable on this platform" thrown in openai/codex.

Source

Thrown at codex-rs/sandboxing/src/spawn.rs:90

                        .is_some_and(|value| value.read_roots_include_platform_defaults),
                    write_roots_override: overrides
                        .and_then(|value| value.write_roots_override.as_deref()),
                    deny_read_paths_override: overrides.map_or(empty_paths, |value| {
                        value.additional_deny_read_paths.as_slice()
                    }),
                    deny_write_paths_override: overrides.map_or(empty_paths, |value| {
                        value.additional_deny_write_paths.as_slice()
                    }),
                    tty: request.tty,
                    stdin_open: request.stdin_open,
                    use_private_desktop: windows.use_private_desktop,
                },
            )
            .await;
        }

        #[cfg(not(target_os = "windows"))]
        anyhow::bail!("Windows sandbox process spawn is unavailable on this platform");
    }

    let (program, args) = request
        .command
        .split_first()
        .context("missing program for process spawn")?;
    if request.tty {
        codex_utils_pty::pty::spawn_process(
            program,
            args,
            request.cwd,
            request.env,
            request.arg0,
            TerminalSize::default(),
            request.inherited_fds,
        )
        .await
    } else if request.stdin_open {

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/sandboxing/src/spawn.rs:90 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/ed42ec79039a76d5. Report an issue: GitHub.