The QBCFMonitorService.exe program opens the QuickBooks Desktop file QBCFMonitorService, which is located in the installation directory. It enables the firm's workstation computers to connect to the server computer, allowing access to company files in multi-user mode. The error message "QBCFMonitorService terminated unexpectedly" may show up on the screen if this process is interrupted for any reason. It could happen if the QBCFMonitorService.exe...