To fix #Windows 0x800703EE ERROR when copying to external #storage, temporarily Disable #Antivirus #Software and #Firewall on the computer and then proceed with performing the #backup. Note: Make sure you turn-on the antivirus software and #Windows Firewall later so that the #computer is protected.
https://outsourcepath.com/resource/2-windows-10-error-0x800703ee-when-copying-files-to-external-storage
