Windows sockets registry entries required for network connectivity are missing after update

Hi, sorry for typos and sorry if this topic exists, but I'm using my phone and the search is wonky.

So I cannot connect to the internet after latest update delivered on March 3rd. Diagnostics message is in the title. My router is fine, cable is fine it appears to be Windows that is faulty.

I cannot ping my router because: ping transmit failed. General failure.

It is as if windows forgot how to TCP/IP.

I tried searching google and this problem seemed to happen to other people at different times in the past, but none of the proposed solutions worked for me so far.

Any help welcome.

Also I just noticed the message at the bottom about tech support, sorry, but typing this is a PITA.