QBDBMgrN Not Running On This Computer Error? Here’s What You Need to Do

 QBDBMgrN not running on this computer
QBDBMgrN not running on this computer

For the past few days, many users have reported facing QBDBMgrN not running on this computer error while trying to turn on multi-user mode in their QuickBooks Desktop applications. An error message stating, “Windows Firewall: Disabled exceptions not defined,” might pop on the user’s computer screen. Considering the complexity of multi-user errors, we have come up with this post to discuss with you the reasons that usually trigger QBDBMgrN keeps stopping error and the troubleshooting solutions to fix them.

Are you looking for immediate troubleshooting support to get rid of QBDBMgrN not running on this computer error? If yes, don’t hesitate to contact QuickBooks professionals at 1.800.579.0391.

What triggers QBDBMgrN keeps stopping error?

QBDBMgrN keeps stopping error generally gets triggered when there are some issues with the company file. There can be other reasons causing it, such as:

  • QuickBooks Database Server Manager is not working on the host computer.

What are the best ways to fix QBDBMgrN not running on this computer error?

Solution 1) Run QuickBooks Database Server Manager from the QuickBooks Tool Hub application

  • Get the most recent version ( of QuickBooks Tool Hub and store the downloaded file on your Windows Desktop.
  • Open the downloaded file (QuickBooksToolHub.exe) and do as per the steps you see on your computer screen.
  • Accept the terms and conditions to finish the QuickBooks Tool Hub installing.
  • Right-click the QuickBooks Tool Hub icon and select the Open option.
  • Click the Network Issues tab from the left pane.
  • Select QuickBooks Database Server Manager and then click the Start Scan button if you notice your company file folder (s).

Note: If you don’t see your company file there, click Browse to look for it on the computer.

  • When the QuickBooks Database Server finishes scanning your company file, click the Close button.

Solution 2) Use QuickBooks File Doctor to fix the company file issues

  • Double-click the icon of QuickBooks Tool Hub to open the application.
  • From the left pane, select Company File Issues.
  • Select the Run QuickBooks File Doctor option.
  • From the drop-down menu, choose your company file.
  • Choose the Check your file option (middle one only) and then click the Continue button.
  • When prompted, type in your QuickBooks admin password and then click the “Next” button.
  • When the tool is done fixing the company file issues, try to switch your QuickBooks Desktop application from single-user mode to multi-user mode.


Even after implementing both the troubleshooting solutions mentioned in the post above, if you get QBDBMgrN not running on this computer error, then the Windows Defender Firewall might be blocking your QuickBooks Desktop from connecting to the internet. Thus, our recommendation for you is to configure the Windows Defender Firewall for QuickBooks Desktop and check if this fixes the error. You can also ask for additional troubleshooting assistance resolving QBDBMgrN keeps stopping error from QuickBooks professionals at 1.800.579.0391.