Welcome to the Sage Doctor Tutorial on how to resolve the Error 1628. These errors normally appear when you are installing or uninstalling software onto your operating system and these are Microsoft error that relates to the Windows installation engine. We are here to assist you till the error gets resolved. Well, our main concern is to first find out the possible causes behind the error occurrence, Sage 50 Install Error 1628, Sage Error 1628, Sage 50 Error 1628 then try to resolve it. Sage is prominent software that includes various advanced features and functionalities.