eDrawings Error

Problem running the latest or another version of eDrawings: “Input string is not in a correct format”?

Input string is not in a correct format

Recently an eDrawings user contacted our tech support asking why he couldn’t run newer or other versions of eDrawings on his machine. In this particular case the user was trying to run eDrawings 2019 but he already had eDrawings 2018 installed on the same machine….