Sage 50 Error 1603 is a piece of the Errors that are caused during the establishment of Sage 50 on your system. Error 1603 when I install Sage 50 accounting 2013 student version. It is otherwise called an introduce shield mistake since it is normally brought about by the absent or degenerate installer document in windows. Here you can get the reason of this error. If You want to know more about this error call 1800-942-6705.