If DisneyPlus/begin is not working, start by checking your internet connection to ensure it's stable. Clear your browser cache or try accessing the site using a different browser. Ensure your device and the Disney+ app are updated to the latest version. Disable VPN or proxy settings, as they might interfere with access. Restart your device or router to refresh the connection. If the issue persists, visit the disneyplus.com begin help center for troubleshooting tips or contact Disney+ customer support. Verify that your subscription is active and not expired to ensure uninterrupted access to your favorite Disney+ content.