Just n FYI: Got an update to the latest version and it doesn't work for me. Fails to register and settings do not stick.

Cloudflare Announcing Beta for WARP for macOS and Windows-cloudflare-warp.jpg

A full removal including leftovers followed by a reboot and reinstall usually fixes things but not this time. So I've gone back to the previous version available from the list of downloads here:

Cloudflare WARP Windows Releases