Hi, welcome to the forum!
It seems there’s a bit problem with the auto updater here.
But don’t worry, there’s a way to update your CPF.
Here’s a link that show you how to update your CPF manualy:
https://forums.comodo.com/index.php/topic,2019.0.html
…and about your question no.2, the answer is yes!
Still, there’s a workaround to the folowing situation: