Thank you for reporting.
There is an uninstall problem in the stable version v220.127.116.1114 and it’s fixed the Beta versions so could you please use the latest Comodo Uninstaller Tool (Select upon your windows bit) for the clean Uninstall of the CIS and check.If it still persist’s Please let me know.
Locate all miniports in the Device Manager under network adapters. (IKEv2, IP, IPv6 etc)
Right click on each miniport with yellow exclamation mark, then “Update Driver Software” → “Browse my computer” → “Let me pick driver from a list” → uncheck “Show compatible hardware” and wait for drivers listing generation…Then pick the first “Microsoft” drivers listed [BlueTooth Personal], and ignore warnings.The broken and undeletable miniport will then become a fake bluetooth card, which you will be able to delete.
Repeat point 3 for all miniports.
Reboot the system.
Solved the issue for me!
FYI if anyone have same Error 720 WAN Miniport problem
Forgive me if someone already answered this. You may need to go into the network and sharing settings, then to the adapter settings and then to the network adapter you use to connect to the interwebs. And finally, uninstall comodo’s firewall driver from the network adapter settings.