Steps to Fix It:

1. 
   

   Restart the Service:

   
   
   
   
   • Press Windows + R, type services.msc, and press Enter. Locate QBCFMonitorService, right-click, and select Start or Restart.
   
   
   
   


2. 
   

   Repair QuickBooks:

   
   
   
   
   • Use the QuickBooks Repair Tool from the Control Panel to fix any corrupted files.
   
   
   
   


3. 
   

   Check Firewall/Antivirus:

   
   
   
   
   • Ensure your firewall or antivirus isn’t blocking the service.
   
   
   
   


4. 
   

   Update QuickBooks:

   
   
   
   
   • Ensure you’re using the latest QuickBooks version to avoid bugs.
   
   
   
   

By following these steps, you can resolve the QBCFMonitorService Not Running error and keep QuickBooks running smoothly!