Please create a new "Local Administrator" account (without MS account) by following bellow link:
https://support.microsoft.com/en-us...-create-a-local-user-or-administrator-account
Try to reproduce your problem with the new account, see if things work well in new account.
I'm not sure about the rest of your post, but usually when windows update break something you want to reinstall the broken program or driver.
For streaming you want to make sure appropriate firewall outbound or inbound ports are open if needed.
Simply test by disabling firewall.