Never locks up for me, so obviously it can't be a systemic problem.

Of COURSE it is.

In DIRECT response to your detailed post -  that fully listed the
problems you are having (thank you for that!) - your very own specific
problem is being feverishly worked on right now by THOUSANDS of highly-
paid programmers and field managers as we type .

Check back in an hour for your fix.

Maybe it would if they new what you were talking about