You're fast JDS. I'm corresponding with you from a MacbookPro that doesn't have the aforementioned issues. I'll write back after some time on the affected laptop to see if the above fix worked. BTW,...

netsh int ip reset: Resetting Interface, OK! Resetting Neighbor, OK! Resetting Path, OK! Resetting, failed. Access is denied, Restting, OK! Restart the computer ...

netsh winsock reset:...

Edge, Firefox & Chrome work intermittently. After some time, that's not consistent, searches stop working. Solutions include deleting all browsing data (sometimes works) and rebooting (always works...