0x80070422: the Windows Update service is disabled or refuses to start
0x80070422 means wuauserv is disabled, missing or blocked in safe mode. Re-enable the update services and their dependencies to get scanning working again.
Windows Firewall error 0x80070424: the service is missing or will not start
Error 0x80070424 usually follows a security suite that removed the firewall service. Restore the service and run one properly licensed endpoint tool.