When installing either the QuickBooks Desktop or a program update, the following error is displayed then installation rolls back and exits.

Error 1920: Service QuickBooks Database Manager Service (QBCFMonitorService) failed to start

The error occurs because the QuickBooks Database Manager scans installed hard drives for QuickBooks company files in order to establish a connection to those files. Because the service attempted to access a drive on the computer and was unable to, it cannot start correctly.

To fix the issue, you need to Rename a QuickBooks Desktop company file installation folders. Use Windows Explorer to locate and rename each of the folder locations listed for your version of Windows

Windows 10/8/7 Windows Vista
  • C:\Program Data\Intuit
  • C:\Program Data\Common Files\Intuit
  • C:\Users\[Username]\AppData\Local\Intuit
  • C:\Program Files\Intuit
  • C:\Program Files\Common Files\Intuit
  • C:\Program Data\Intuit
  • C:\Program Data\Common Files\Intuit
  • C:\Users\\AppData\Local\Intuit
  • C:\Program Files\Intuit
  • C:\Program Files\Common Files\Intuit

IMPORTANT


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