The error message QBCFMonitorService Not Running on This Computer indicates the absence or failure of the QuickBooks Company File Monitor service. In a networked environment, this service is in responsible for monitoring and updating QuickBooks company files. When the service is not running, it can lead to issues in accessing or updating company files. To resolve this problem, the user needs to ensure that the QBCFMonitorService is running on the computer, or reinstall the QuickBooks software if necessary. For instant assistance contact to our QuickBooks Experts Team at 1.855.738.2784.