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QuickBooks is a crucial accounting program that companies use to handle transactions, payroll, and financing. But frequently, users run into installation issues that stop QuickBooks from working correctly. QuickBooks Error 1920 is one such problem that arises when the QuickBooks Database Manager Service (QBCFMonitorService) does not launch during installation. Permission problems, system conflicts, or an unfinished installation process are the main causes of this error. The causes, signs, and detailed fixes for QuickBooks Error 1920 will all be covered in this guide.

Understanding QuickBooks Error 1920

The QBCFMonitorService, which is in charge of overseeing database-related operations, is linked to QuickBooks Error 1920. An incomplete or unsuccessful QuickBooks installation results from the interruption of the installation process caused by this service's inability to start.

Causes of QuickBooks Error 1920

Several factors can trigger Error 1920 during QuickBooks installation:

1. Insufficient Permissions – The QuickBooks Database Manager requires administrative privileges to install and run correctly.

2. Corrupt or Outdated QuickBooks Installation – If an older version of QuickBooks is corrupt or not removed properly, it can interfere with the new installation.

3. Windows Firewall or Security Software Blocking QuickBooks Services – Security settings may prevent QuickBooks from running certain services required for installation.

4. Damaged Windows System Files – Corrupt or missing system files can hinder the installation process.

5. Issues with the QuickBooks Database Server Manager – If the database server manager is not functioning correctly, QuickBooks may fail to install.

6. System Clutter or Unwanted Temporary Files – Accumulated temporary files can cause conflicts during installation.

Symptoms of QuickBooks Error 1920

If you are experiencing Error 1920, you may notice the following symptoms:

• QuickBooks installation fails and stops abruptly.

• An error message appears stating: Error 1920: Service QuickBooks Database Manager (QBCFMonitorService) failed to start.

• Slow or lagging system performance during installation.

• Other applications may crash when attempting to install QuickBooks.

• The QuickBooks Database Server Manager does not start properly.
  
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Solutions to Fix QuickBooks Error 1920

Below are several methods to resolve QuickBooks Error 1920 and complete the installation successfully.

Solution 1: Run the QuickBooks Installer as an Administrator

Since permission issues can cause Error 1920, running the installer as an administrator may resolve the problem.

1. Locate the QuickBooks .exe installation file.

2. Right-click the file and select Run as administrator.

3. Follow the installation prompts and check if the error is resolved.

Solution 2: Stop the QuickBooks Database Server Manager Service

1. Press Windows R, type services.msc, and press Enter.

2. Scroll down and locate QuickBooks Database Server Manager (QBCFMonitorService).

3. Right-click on it and select Stop.

4. Close the Services window and retry installing QuickBooks.

Solution 3: Rename the QuickBooks Installation Folder

If an old QuickBooks installation is interfering with the new setup, renaming the folder can help.

1. Open File Explorer and navigate to C:\ProgramData\Intuit.

2. Locate the QuickBooks folder.

3. Right-click on it and rename it to QuickBooks.old.

4. Retry the QuickBooks installation.

Solution 4: Temporarily Disable Antivirus and Firewall

Antivirus and firewall settings can sometimes block QuickBooks services from running.

1. Open Windows Security by typing it in the Windows search bar.

2. Click on Firewall & Network Protection.

3. Select Turn off Windows Defender Firewall (for both Public and Private networks).

4. If you are using third-party antivirus software, disable it temporarily.

5. Attempt to install QuickBooks again.

Solution 5: Clean Install QuickBooks Using the QuickBooks Clean Install Tool

If the issue persists, performing a clean installation may be necessary.

1. Download and install the QuickBooks Clean Install Tool from Intuit’s official website.

2. Run the tool and select the QuickBooks version you want to uninstall.

3. Click Continue, then OK when prompted.

4. After completion, restart your computer and reinstall QuickBooks.

Solution 6: Run a System File Check (SFC) Scan

Corrupt or missing system files can cause QuickBooks installation errors. Running an SFC scan can repair these files.

1. Open Command Prompt as Administrator.

2. Type sfc /scannow and press Enter.

3. Wait for the scan to complete.

4. Restart your computer and try installing QuickBooks again.

Solution 7: Create a New Windows User with Administrative Rights

If your Windows user account lacks the necessary permissions, creating a new admin account can resolve the error.

1. Open Control Panel and go to User Accounts.

2. Click on Manage another account > Add a new user in PC settings.

3. Select Add someone else to this PC.

4. Follow the prompts to create a new user with Administrator rights.

5. Log in with the new account and attempt to install QuickBooks.

Solution 8: Check Windows Event Viewer for Additional Clues

Windows Event Viewer can provide details on what is causing the error.

1. Press Windows R, type eventvwr.msc, and press Enter.

2. Navigate to Windows Logs > Application.

3. Look for QuickBooks-related error messages.

4. Note any additional details and search for specific solutions based on the error logs.

Solution 9: Update Windows and Restart the System

An outdated Windows version can cause compatibility issues with QuickBooks installation.

1. Press Windows I to open Settings.

2. Click Update & Security > Windows Update.

3. Check for updates and install any available ones.

4. Restart the computer and retry installing QuickBooks.

Preventing QuickBooks Error 1920 in the Future

To avoid encountering QuickBooks Error 1920 again, follow these best practices:

• Always run QuickBooks with administrator privileges to avoid permission-related issues.

• Regularly update QuickBooks and Windows to ensure compatibility.

• Check and configure firewall settings to allow QuickBooks services.

• Perform routine system maintenance, including disk cleanup and removal of temporary files.

• Use the QuickBooks Database Server Manager properly, ensuring it is running when required.

• Keep a backup of your QuickBooks data to prevent data loss in case of installation failures.

Conclusion

Because it makes it impossible for users to correctly install or update QuickBooks, QuickBooks Error 1920 can be annoying. Nevertheless, users can successfully resolve the problem and finish the installation by following the troubleshooting procedures described in this article. These fixes guarantee that QuickBooks functions properly, whether they involve modifying permissions, terminating incompatible services, or carrying out a clean install. To avoid more interruptions to business activities, it is advised to get help from QuickBooks support or a professional technician if the issue continues.