openai/codex · error · anyhow::Error

RegCreateKeyExW failed: {status} ({error})

Error message

RegCreateKeyExW failed: {status} ({error})

What it means

Error "RegCreateKeyExW failed: {status} ({error})" thrown in openai/codex.

Source

Thrown at codex-rs/windows-sandbox-rs/src/hide_users.rs:124

fn create_userlist_key() -> anyhow::Result<HKEY> {
    let key_path = to_wide(USERLIST_KEY_PATH);
    let mut key: HKEY = 0;
    let status = unsafe {
        RegCreateKeyExW(
            HKEY_LOCAL_MACHINE,
            key_path.as_ptr(),
            0,
            std::ptr::null_mut(),
            REG_OPTION_NON_VOLATILE,
            KEY_WRITE,
            std::ptr::null_mut(),
            &mut key,
            std::ptr::null_mut(),
        )
    };
    if status != 0 {
        return Err(anyhow!(
            "RegCreateKeyExW failed: {status} ({error})",
            error = format_last_error(status as i32)
        ));
    }
    Ok(key)
}

/// Sets HIDDEN|SYSTEM on `path` if needed, returning whether it changed anything.
fn hide_directory(path: &Path) -> anyhow::Result<bool> {
    let wide = to_wide(path);
    let attrs = unsafe { GetFileAttributesW(wide.as_ptr()) };
    if attrs == INVALID_FILE_ATTRIBUTES {
        let err = unsafe { GetLastError() } as i32;
        return Err(anyhow!(
            "GetFileAttributesW failed for {}: {err} ({error})",
            path.display(),
            error = format_last_error(err)
        ));

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/hide_users.rs:124 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/b5447179b2313d1d. Report an issue: GitHub.