[Phenomenon] After installing the update, a specific dll is no longer placed. [Environment in which the problem occurs] - Development environment: VS2012, InstallShield Limited Edition - Development language: C# [Procedure] 1. Create setup.exe using InstallShield Limited Edition. 2. Install the setup.exe created in Step 1 on Windows 10. 3. Add one external reference to the project in VS2012 and create a new version of setup.exe from InstallShield Limited Edition. - Setting change of InstallShield Limited Edition when creating setup.exe. - [General]-[Product Version], [Product Code] - [Upgrade Paths]-[Max Version] 4. Install the update with setup.exe created in Step 3. [Result] The dll that has been placed so far are not placed in the installation destination. [Contents and results of investigation] - If an error occurred when starting the application, click the shortcut set in the installer to relocate the dll that has not been placed, and the application starts. - If you uninstall the old version and then install the new version, the dlls will be placed without problems. - When I got the installation log, there was a log that the dll was deleted at the end of the installation. - I've added one external reference to the project in VS2012 before, but it was fine then. [Questions] How can I make sure that the dll is placed correctly in the update installation as before? ... View more