Load external DLL for uninstall process in Inno Setup
I assume you are getting the error, when starting the installer, not the uninstaller. When the installer is starting, the {app} is obviously unknown yet. But as you need the import for the uninstaller only, which knows the {app}, you can add the uninstallonly option: procedure uLoadVCLStyle(VClStyleFile: String); external ‘LoadVCLStyleW@{app}\VclStylesInno.dll stdcall uninstallonly’; Though it does … Read more