if u still have the zip folder just uninstall and reinstall and when prompted to update say no and it will work just fine i have tested this to work, this will at least help till they fix what is wrong then we can update
i unfortunately don't have the zip folder either, but i do have is a saved copy of my folder from when i had to back up my system to do a fresh windows reinstall which has my key already stored into it.
Greatly appreciated it. Thanks.your all in luck i have the old version zip file still but it wont let me link the file on my dropbox if you dm me ill help with the link