What is causing my QuickBooks to display the “QBDBMgrN Not Running on this Computer” error message, and how do I fix it?


1 comment

  • Lewis Hamilton

    The QBDBMgrN is not running on this computer error is usually seen when you updates the QuickBooks desktop to the latest update and skip to update the windows firewall along with that. ... You can also encounter such an error if the 3rd party firewall software is blocking the access to QuickBooks.

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