An update I tried one more time to reboot and this time I used F8 during the reboot and did a memory scan. when the scan completed, I was back at the windows login but now my keyboard worked and I was able to login. The computer said the system had shifted to a restore point that I had tried...
I've arrived in a similar condition but from a different source. My wife was trying to log into our bank website and she got a warning that opening 32 windows would slow down performance or words to that effect. She closed Chrome and tried to use ie explorer instead. She got the same message...