Facing the QBCFMonitorService Not Running errors? This provider is vital for multi-person mode in QuickBooks. The blunders generally pops up due to damaged or disabled services. Start through checking the Services panel (services.Msc) and manually starting QBCFMonitorService. If it fails, replace QuickBooks and run the QuickBooks Tool Hub to repair community issues. Also, ensure proper Windows permissions are set for QuickBooks. Sometimes, a corrupted Database Server Manager causes the problem—reinstalling it can help. Let’s troubleshoot together—drop your QuickBooks version and OS details under so others can assist with extra tailored answers.