It doesn't actually matter. It should have been a landslide in favour of Harris, and if there was cheating it would have just reduced her margin of victory.
The fact it was close enough to work (if it occurred) is an indictment of a significant proportion of the population.
The proton logs are fairly inscrutable, and probably aren't helpful if it's a driver issue.
There's a big discussion on the Proton issue tracker that may include your problem.