Hi Lord_Charlie_Chan,
Good day! This is Jhakesong and I will be happy to assist you with this.
I am sorry to hear about the inconvenience. WaasMedic is run by windows to try to fix issues with windows updates. Please go through these windows update troubleshooting guide to try to resolve the issue.
https://support.microsoft.com/en-us/windows/tro...
Let me know how it goes. Have a great day!