Each year new version of this application is launched with new and improved features. Even though it is one of the best accounting software, yet users at times do face technical errors. These technical errors can be managed but at times for the more complicated ones you have seek assistance from the QuickBooks Support service providers. In this article we will discuss the issue of QuickBooks installation error 1920. In most cases this error occurs when you are trying to install QuickBooks Desktop or a program update. This generally happens when QuickBooks Database Manager Scans installed hard drives for the company to create a connection with those files. As this services tries to access the drive on the desktop and is not able to so the installation is affected. .