Ok so this is the thing. First of all, english’s not my native language, so, sorry for any mistakes.
Problem is, I haven’t upgraded Brave for about 2 weeks. But it’s been 3 days since this started happening. Whenever I type a page and press enter, or click on a favourite icon, the browser just closes.
No notification message, nothing. It just shuts down.
I did try to uninstal and install back again, but nothing changes. And it happens always, every darn time I try to use it.
Could you please add the system info and the brave version you are running? Does it fix with clearing the browser cache and then visiting a site/favourite?
Upgraded the browser to its latest version. And no, it doesn’t fix when visiting a fav 
Processor: Intel® Core™ i3-3250 CPU @ 3.50Ghz
RAM: 4gb
64 bits system.
About the Brave version, it’s the latest. Just checked.
Can you try disabling hardware acceleration from settings and check if it fixes the issue