Hello @gdwhew,
Welcome to the community!
I apologize for the inconvenience this is causing you. I recommend you to create a case by going here: https://lastpass.com/identity-verificationthis in order for us to be able to assist you in a more private way with this problem. Please don't clear cache and cookies or remove the LastPass extension from the browser in the meantime we are able to reach you through the case to resolve the issue.
Kind Regards,