Older accounts are definitely better for botting compared to an account that was just created and run through tutorial island on the same day though in my experience. Even if doing tutorial island by hand.
It's not just about breaks, but what you're botting, what types of accounts you're using, if you're using bad proxies/vpns, how long in total you're botting for, etc.
You can always use a proxy, but depending on where you got the proxy from and what type it is, you might get banned quicker than botting on your home IP
You don't have WinRar problem, but this still points you to setting java as the open as application
https://osbot.org/forum/topic/135724-how-to-open-osbot-with-java-instead-of-winrar/
Why not train skills, afk for a couple hours, train more skills, more afk. These changes were targeted at suicide botters so you're going to have to adopt