What does QuickBooks Error 1920 means? QuickBooks Error Code 1920 typically occurs when there is an issue with the QuickBooks Database Manager service during the installation or updating process. This error code indicates that the service failed to start. Resolve QuickBooks Error 1920. If you continue to experience difficulties with the QuickBooks update process, don't hesitate to reach out to our QuickBooks desktop error support staff by calling the helpline at 1-888-368-8874. Visit Us -: https://www.axpertadvisors.com/quickbooks-error-1920/