QuickBooks is an essential tool for businesses of all sizes, providing comprehensive solutions for accounting, payroll, and other financial operations. However, like any software, it can encounter issues that disrupt its functionality. One common problem users face is the “QBCFMonitorService Not Running On This Computer” error. This issue can prevent QuickBooks from opening or functioning correctly, hindering your ability to manage financial tasks. In this detailed guide, we will explore the causes, symptoms, and step-by-step solutions to resolve the “QBCFMonitorService Not Running On This Computer” error, ensuring you can get back to business without interruptions.

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Understanding QBCFMonitorService

The QBCFMonitorService (QuickBooks Company File Monitor Service) is a vital component of QuickBooks Desktop. It helps monitor QuickBooks Database Server Manager and ensures that QuickBooks can connect to the company file over the network. If this service is not running, QuickBooks might face difficulties in accessing the company file, leading to errors and operational issues.

Common Causes of QBCFMonitorService Not Running Error

Several factors can cause the “QBCFMonitorService Not Running On This Computer” error, including:

  1. Disabled or Stopped Service: The QBCFMonitorService may have been stopped or disabled.
  2. Corrupt Installation: The QuickBooks installation files might be corrupted or incomplete.
  3. Windows Updates: Recent Windows updates may have caused compatibility issues.
  4. Firewall or Antivirus: Overzealous security software can block QuickBooks services.
  5. Network Issues: Problems with network settings or connectivity can disrupt the service.
  6. User Account Control (UAC): UAC settings might be interfering with the service.

Symptoms of QBCFMonitorService Not Running Error

Recognizing the symptoms of this error can help diagnose the issue effectively:

  • QuickBooks Desktop fails to open or crashes unexpectedly.
  • Error message displaying “QBCFMonitorService Not Running On This Computer.”
  • Inability to access the windows 11 QuickBooks company file.
  • Sluggish performance of QuickBooks.
  • Issues with multi-user mode functionality.

Troubleshooting QBCFMonitorService Not Running Error

Resolving this error involves several troubleshooting steps. Follow these steps carefully to diagnose and fix the issue.

Step 1: Verify the QBCFMonitorService Status

  1. Open Services: Press Windows + R to open the Run dialog box. Type services.msc and press Enter.
  2. Locate the Service: In the Services window, scroll down to find QBCFMonitorService.
  3. Check Status: Ensure the status is set to Running. If it is not, right-click on the service and select Start.

Step 2: Restart the QBCFMonitorService

  1. Open Services: Press Windows + R, type services.msc, and press Enter.
  2. Locate the Service: Find QBCFMonitorService in the list.
  3. Restart Service: Right-click on QBCFMonitorService and select Restart.

Step 3: Ensure QuickBooks Database Server Manager is Installed

  1. Open Control Panel: Go to the Control Panel and select Programs and Features.
  2. Check Installation: Ensure that QuickBooks Database Server Manager is installed. If not, you need to install it from the QuickBooks installation CD or download it from the official Intuit website.

Step 4: Update QuickBooks Desktop

  1. Open QuickBooks: Launch QuickBooks Desktop.
  2. Check for Updates: Go to Help > Update QuickBooks Desktop.
  3. Install Updates: Click on Update Now and install any available updates. Restart QuickBooks after the updates are installed.

Step 5: Configure Firewall and Antivirus

  1. Add Exceptions: Ensure that QuickBooks files and ports are added as exceptions in your firewall and antivirus settings. This includes QBCFMonitorService.exe.
  2. Disable Temporarily: Temporarily disable the antivirus and firewall to check if they are causing the issue. If the error resolves, adjust the settings to allow QuickBooks services.

Step 6: Check User Account Control (UAC) Settings

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  1. Open Control Panel: Go to the Control Panel and select User Accounts.
  2. Adjust UAC Settings: Click on Change User Account Control settings and move the slider to Never notify.
  3. Restart Computer: Restart your computer and check if the error persists.

Step 7: Repair QuickBooks Installation

  1. Open Control Panel: Go to the Control Panel and select Programs and Features.
  2. Locate QuickBooks: Find QuickBooks in the list of installed programs and select it.
  3. Repair Installation: Click on Uninstall/Change and then select Repair. Follow the on-screen instructions to complete the repair process.

Step 8: Perform a Clean Install of QuickBooks

A clean install can resolve issues related to corrupt or damaged installation files.

  1. Uninstall QuickBooks: Open the Control Panel, go to Programs and Features, locate QuickBooks, and select Uninstall.
  2. Rename Installation Folders: Rename the installation folders to ensure that no old installation files are used. The folders to rename include:
    • C:\Program Files\Intuit\QuickBooks
    • C:\Program Files (x86)\Intuit\QuickBooks
    • C:\ProgramData\Intuit\QuickBooks
    • C:\Users\[Your User Name]\AppData\Local\Intuit\QuickBooks
  3. Download QuickBooks: Download the latest version of QuickBooks from the official Intuit website.
  4. Install QuickBooks: Follow the on-screen instructions to install QuickBooks.

Step 9: Check Network Configuration

If you are using QuickBooks in a multi-user environment, ensuring the correct network configuration is crucial.

  1. Open Network and Sharing Center: Go to the Control Panel and select Network and Sharing Center.
  2. Change Adapter Settings: Click on Change adapter settings and ensure that the network adapter is enabled.
  3. Configure Firewall: Make sure that the firewall on the server and workstations allows communication between them.
  4. Verify Host File: Ensure that the host file on the server and workstations is correctly configured. You can find the host file at C:\Windows\System32\drivers\etc\hosts.

Step 10: Contact QuickBooks Support

If none of the above steps resolve the issue, it is advisable to contact QuickBooks Support for further assistance.

  1. Open QuickBooks: Go to the Help menu and select QuickBooks Desktop Help.
  2. Contact Us: Click on Contact Us and provide a brief description of the issue.
  3. Get Support: Follow the on-screen instructions to connect with a QuickBooks Support representative.

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 your QuickBooks software and Windows operating system updated to avoid compatibility issues.
  2. Proper Shutdown: Always shut down your computer and QuickBooks properly to prevent corrupting files and services.
  3. Scheduled Maintenance: Perform regular maintenance, such as clearing temporary files and running disk cleanup, to keep your computer running smoothly.
  4. Backup Data: Regularly back up your QuickBooks company files to prevent data loss in case of errors.
  5. Monitor Network: Ensure that your network configuration is optimized for QuickBooks multi-user mode.


The “QBCFMonitorService Not Running On This Computer” error can be a significant disruption to your business operations. However, with the right approach and troubleshooting steps, you can resolve this issue effectively. By understanding the causes and symptoms of the error and following the detailed troubleshooting steps outlined in this guide, you can ensure that your QuickBooks runs smoothly and efficiently.

Preventive measures and regular maintenance are key to avoiding such errors in the future, ensuring that your business operations remain uninterrupted. If you continue to experience issues despite following these steps, contacting QuickBooks customer support for further assistance is recommended.

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.

In this blog, we have covered:

  • Understanding QBCFMonitorService and its importance
  • Common causes and symptoms of the “QBCFMonitorService Not Running On This Computer” error
  • Comprehensive troubleshooting steps
  • Preventive measures to avoid this error

By following these guidelines, you can overcome this QuickBooks error and ensure that your business operations remain smooth and error-free.

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