Please go to your Mac System Preferences and make sure that your clock (Date & Time) setting is close to being accurate. Mac OS is fussy about the date, especially.
Next, Exit/Quit everything.
On a Mac, the BraveSoftware folder is located at:
/Users/your_username/Library/Application Support/BraveSoftware/
Drag that BraveSoftware folder to the Trash (but do not yet empty the Trash).
Next, locate the Caches folder at:
/Users/your_username/Library/Caches/
and move both:
com.brave.BrowserBraveSoftware
. . . folders to the Trash (but do not yet empty the Trash).
Locate the Preferences folder at:
/Users/your_username/Library/Preferences/
Therein, find the com.brave.Browser.plist file and drag that file to the Trash (but do not yet empty the Trash).
Close all windows.
Restart your Mac.
–
The latest Brave Browser v1.39.122 installer for your Mac, is at:
Scroll down to the Installer that is appropriate for your Mac computer (Intel - x64). . . and at your discretion (what you believe your computer needs), select either of the .dmg or .pkg installation files. (Try the .dmg installer, first.)
Install Brave Browser v1.39.122
–
After installing Brave Browser v1.39.122 . . . IF Brave Browser will not launch and keep running successfully, then return to where the BraveSoftware folder is located:
/Users/your_username/Library/Application Support/BraveSoftware/
. . . and drag that BraveSoftware folder to the Mac Desktop.
Try again, to start Brave Browser and run with it.
–
PS. You may need to make the Library folder visible:
/Users/your_username/Library/
See:
–
Footnote: Known Issue (ref.):
–