wat means error 4041
Error occurs when updating an iPhone (on USB from finder).
Earlier iPhone models
Troubleshooting:
Turn your iPhone On and unlock it -> enter the passcode.
Go to Settings -> set Auto-Lock to Never.
Connect your device to your computer using an Apple USB cable & try also another USB cable.
Make sure your Mac has the latest version of macOS
Update to the latest version of iTunes
Update to the latest version of iTunes for Windows 10 – Apple Support (UK)
See also -> Check your third-party security software.
Check the Wi-Fi connection.
Turn Off Hotspot.
Turn Off or remove VPN if necessary.
Disable all AV & Firewalls temporarily..