def METHOD_NAME(self, fragile: bool = False, check_already_running: bool = True):
    """ Run the service
    Args:
        fragile: if True, the loop will be made fragile (fail on a first exception)
        check_already_running: if True, verifies no other Tribler instance is running to prevent parallel
            instances from writing to the same state directory or log files. It is necessary for components
            such as MetadataStoreComponent and KnowledgeComponent.
    """
    async def start_tribler():
        self.logger.info(f'Starting tribler instance in directory: {self.config.state_dir}')
        if check_already_running:
            self._check_already_running()
        await self._start_session()
        if self.timeout_in_sec:
            self.async_group.add_task(self._terminate_by_timeout())
        self._enable_graceful_shutdown()
        self.on_started_event.set()
        await self.on_tribler_started()
    loop = asyncio.get_event_loop()
    if fragile:
        make_async_loop_fragile(loop)
    # the variable `self._main_task` is used here to prevent a naked `loop.create_task()` call
    # more details: https://github.com/Tribler/tribler/issues/7299
    self._main_task = loop.create_task(start_tribler())
    try:
        loop.run_forever()
    finally:
        loop.run_until_complete(loop.shutdown_asyncgens())
        loop.close()