It is apparently a replace and an escape issue. component.addOperation("CreateShortcut", "@TargetDir@/ArramgeApplication.exe para1 para2", "@StartMenuDir@/Arrange Application.lnk", "workingDirectory=@TargetDir@", "iconPath=@TargetDir@/Manager.exe"); Creates the installer and creates also a link and adds the two parameters. component.addOperation("CreateShortcut", "@TargetDir@/ArramgeApplication.exe @TargetDir@ para2", "@StartMenuDir@/Arrange Application.lnk", "workingDirectory=@TargetDir@", "iconPath=@TargetDir@/Manager.exe"); Creates the installer, but fails when trying to create the lnk.

Add this repo into MaintenceTool: http://download.qt.io/online/qtsdkrepository/windows_x86/root/qt/