Are you seeing the error “QBDBMgrN not running on this computer” while using copyright Desktop? This issue typically prevents you from accessing company files in multi-user mode and can halt your accounting workflow. Common Causes of the Error: Outdated copyright Database Server Manager Improper firewall configuration blocking copyright Damaged .ND file or network issues ... https://stevewood2006.stck.me/post/1099408/A-Quick-Guide-to-Fix-QBDBMgrN-Not-Running-Error