@BobTom it’s generally helpful if you can Search Before Posting. You’d have seen lots of discussions on this at please like the links below:
https://community.brave.com/t/brave-has-been-crashing-since-afternoon/540859/26?u=saoiray
https://community.brave.com/t/brave-crashes-when-i-got-to-youtube/540890/2
List goes on. And don’t forget, there’s no more support for those older versions. There never will be any patches or updates. If you can’t or refuse to update, you’re pretty much on your own. There’s very little Brave or those of us in the community can or will do for you.