Hi @wolfjg, Thank you for your reply. I believe you are referring to a major upgrade with an InstallScript project. A major upgrade automatically uninstalls the previous version then installs the newer version. Please review the documentation at the following link for information on how to configure a major upgrade with an InstallScript project: https://community.flexera.com/t5/InstallShield-Knowledge-Base/Performing-a-Major-Upgrade-with-Installscript/ta-p/4388 Please give the suggestions in this documentation a try. Do they work for you? Please let us know if you have any questions or concerns. Thanks! ... View more