You have updated, disabled, and cleaned. Yet brmainte.exe still misbehaves. Try these last resorts:

Wait, "brother better" could be a game. There's a game called "BROTHER BROTHER" where two players help each other survive. Maybe the user is confused and combined parts of the titles? Or there's a tutorial or guide on how to fix "brain.exe" by playing a game. That seems unlikely, but maybe.

For standard users looking for a "better" or more accessible experience, the following official tools are recommended:

Because brmainte.exe runs continuously, it can delay Windows shutdown ("Waiting for background programs to close") and show annoying "printer not responding" alerts even when you are not printing.