Resolving “QBCFMonitorService Not Running On This Computer” Error in QuickBooks

QuickBooks, a popular accounting software developed by Intuit, is essential for many small and medium-sized businesses to manage their finances efficiently. However, like any software, it is not immune to errors. One common error that users encounter is the “QBCFMonitorService Not Running On This Computer” error. This blog will delve into the causes, symptoms, and solutions for this error, offering a comprehensive guide to resolve it effectively.

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Understanding QBCFMonitorService

Before addressing the error, it is crucial to understand what QBCFMonitorService is and its role in QuickBooks.

What is QBCFMonitorService?

QBCFMonitorService stands for QuickBooks Company File Monitoring Service. It is a vital component of QuickBooks Database Server Manager (QBDBSM) that allows multiple users to access the company file simultaneously in a multi-user environment. Essentially, it monitors the QuickBooks company files and ensures that they are accessible to all authorized users on the network.

Causes of QBCFMonitorService Not Running Error

Several factors can lead to the “QBCFMonitorService Not Running On This Computer” error. Identifying these causes can help in diagnosing and resolving the issue more effectively.

  1. Disabled or Stopped Service: The QBCFMonitorService might be disabled or stopped.
  2. Incorrect Configuration: Misconfigured QuickBooks Database Server Manager or network settings.
  3. Firewall or Security Software Interference: Firewall settings or security software blocking the service.
  4. Corrupted QuickBooks Installation: Issues with the QuickBooks installation files or components.
  5. Windows Operating System Issues: Problems with the Windows operating system, such as missing updates or corrupted system files.
  6. Insufficient User Permissions: Lack of administrative privileges for running the service.

Symptoms of QBCFMonitorService Not Running Error

Recognizing the symptoms of this error can help in troubleshooting the issue more effectively. Common symptoms include:

  • Error Message: Display of the error message “QBCFMonitorService Not Running On This Computer”.
  • Multi-User Mode Issues: Inability to switch to windows 11 multi-user mode or access the company file in a multi-user environment.
  • QuickBooks Freezes or Crashes: QuickBooks may freeze or crash when trying to open or use the company file.
  • Performance Issues: Slow performance or unresponsiveness of QuickBooks.

Solutions to Resolve QBCFMonitorService Not Running Error

Here are detailed solutions to resolve the “QBCFMonitorService Not Running On This Computer” error. Follow these steps carefully to ensure that the service runs smoothly and QuickBooks operates efficiently.

Solution 1: Check and Start QBCFMonitorService

  1. Open Services: Press Windows + R, type services.msc, and press Enter.
  2. Locate QBCFMonitorService: Scroll down and find QBCFMonitorService in the list of services.
  3. Check Service Status: Ensure the service is running. If it is stopped, right-click on it and select Start.
  4. Set Startup Type: Right-click on QBCFMonitorService, select Properties, and set the Startup type to Automatic.
  5. Restart Computer: Restart your computer and check if the issue is resolved.

Solution 2: Configure QuickBooks Database Server Manager

  1. Open Database Server Manager: Go to the Start menu and search for QuickBooks Database Server Manager.
  2. Scan Folders: In the Database Server Manager, click on Add Folder and add the folders where your company files are stored.
  3. Scan for Files: Click Scan to scan the folders for company files.
  4. Check Service: Ensure that the QBCFMonitorService is running after the scan.
  5. Restart QuickBooks: Restart QuickBooks and try accessing the company file in multi-user mode.

Solution 3: Configure Firewall and Security Software

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  1. Open Firewall Settings: Go to Control Panel > System and Security > Windows Defender Firewall.
  2. Allow App through Firewall: Click on Allow an app or feature through Windows Defender Firewall.
  3. Add QuickBooks Ports: Ensure that QuickBooks ports (8019, 56728, 55378-55382) are allowed through the firewall.
  4. Configure Security Software: If you use third-party security software, add exceptions for QuickBooks and its components.
  5. Restart Computer: Restart your computer and check if the service is running.

Solution 4: Repair QuickBooks Installation

  1. Open Control Panel: Go to Control Panel > Programs and Features.
  2. Find QuickBooks: Locate QuickBooks in the list of installed programs.
  3. Select Repair: Select QuickBooks and click on Repair. Follow the on-screen instructions to complete the repair process.
  4. Restart Computer: Restart your computer and check if the issue is resolved.

Solution 5: Update Windows

  1. Open Settings: Go to Settings > Update & Security.
  2. Check for Updates: Click on Check for updates and install any available updates.
  3. Restart Computer: Restart your computer and check if the service is running.

Solution 6: Run QuickBooks Tool Hub

QuickBooks Tool Hub is a collection of tools designed to fix common QuickBooks issues.

  1. Download Tool Hub: Download QuickBooks Tool Hub from the official Intuit website.
  2. Install Tool Hub: Follow the on-screen instructions to install it.
  3. Run Tool Hub: Open QuickBooks Tool Hub and select Program Problems.
  4. Run Quick Fix: Click on Quick Fix my Program to resolve any issues related to QBCFMonitorService.
  5. Restart Computer: Restart your computer and check if the issue is resolved.

Solution 7: Check User Permissions

  1. Open File Explorer: Open File Explorer and navigate to the folder containing your QuickBooks company files.
  2. Check Permissions: Right-click on the folder, select Properties, and go to the Security tab.
  3. Add Permissions: Ensure that the user running QuickBooks has full control over the folder.
  4. Restart QuickBooks: Restart QuickBooks and check if the service is running.

Solution 8: Use System File Checker Tool

  1. Open Command Prompt: Press Windows + R, type cmd, and press Enter.
  2. Run SFC Scan: Type sfc /scannow and press Enter. The scan may take some time to complete.
  3. Restart Computer: After the scan completes, restart your computer and check if the issue is resolved.

Preventing QBCFMonitorService Not Running Error

Taking preventive measures can help avoid encountering this error in the future. Here are some tips:

  1. Regular Updates: Keep QuickBooks and your Windows operating system updated to avoid compatibility issues.
  2. Backup Data: Regularly back up your QuickBooks company files to prevent data loss.
  3. Stable Network Connection: Ensure a stable and reliable network connection for QuickBooks to function correctly in multi-user mode.
  4. Monitor Services: Regularly check the status of QBCFMonitorService and other related services.
  5. Configure Security Software: Properly configure your firewall and security software to allow QuickBooks to operate without interference.
  6. User Permissions: Ensure that users have the necessary permissions to access QuickBooks and its components.


The “QBCFMonitorService Not Running On This Computer” error can be a significant obstacle for QuickBooks users, especially those working in a multi-user environment. However, by understanding its causes, recognizing its symptoms, and applying the solutions provided in this guide, you can effectively resolve this error and ensure that QuickBooks operates smoothly.

Key Points to Remember:

  • Understanding the Error: QBCFMonitorService is crucial for multi-user access in QuickBooks. The error can arise due to various reasons, including disabled services, misconfigurations, and security software interference.
  • Step-by-Step Solutions: Check and start QBCFMonitorService, configure QuickBooks Database Server Manager, configure firewall and security software, repair QuickBooks installation, update Windows, use QuickBooks Tool Hub, check user permissions, and use the System File Checker tool.
  • Preventive Measures: Regular updates, data backups, stable network connections, monitoring services, configuring security software, and ensuring user permissions are vital to prevent this error.

By addressing QuickBooks errors promptly and efficiently, you can maintain the reliability and accuracy of your accounting processes, allowing you to focus on growing your business and achieving your financial goals.

Final Thoughts

QuickBooks is an invaluable tool for managing business finances, and encountering errors like “QBCFMonitorService Not Running On This Computer” can be frustrating. However, this guide aims to provide you with the knowledge and steps necessary to resolve this error, ensuring a smoother and more efficient operation of QuickBooks.

By following these guidelines, you can overcome the QBCFMonitorService error and ensure that your business operations remain smooth and error-free. Remember, if you ever find yourself stuck or unable to resolve the issue on your own, QuickBooks Support is always available to assist you further.

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