I'm in the same boat. Recently enabled two-factor authentication. Try to login with my regular password, I get a notification on my phone for the code, but nowhere to enter it in VoiceMac, and it tells me that my account does not appear to have a Google number.
downloaded the new verify VM & it logs in but doesn't allow any window to activate. opened the sms history which is blank and can't activate the winodw either.
Thanks