This frequently happens with those larger Windows updates. No one knows why - but Windows wipes the settings during the updates.
Try deleting the VPN and creating the client VPN connection using this client VPN wizard of mine.
https://www.ifm.net.nz/cookbooks/meraki-client-vpn.html
It uses the newer VPNv2-CSP subsystem (which is not accessible via the Windows 10 GUI) and does not seem to have a lot of these annoying issues.