This has been raised by others previously, but not been mentioned for a while. All solutions to the W10 Home update auto downloads problem suggest that enabling the Wi-Fi 'metered connection' button will stop this. This is fine if your connection is wi-fi. Most of the IT world considers...
automatic updates
connection type
corrupt downloads
data usage
download speed
home network
internet issues
meteredconnection
microsoft
network settings
quotas
satellite connectivity
slow internet
update download
update solutions
user experience
wifi
windows 10
windows update