The executable file refers directly to the Brother Maintenance Utility , a highly restricted, technician-only software tool. Brother limits this program exclusively to authorized service centers and certified technicians to prevent untrained users from accidentally bricking hardware or altering core system configurations.
A previous instance of brmainte.exe terminated abnormally but left a mutex/semaphore or lock file, causing the new instance to detect an exclusive session still active. brmainteexe brother exclusive