This is my dilemma:<P>I am creating an installation interface for an old DOS program, which is no problem, but at the end of it I want the interface to create a desktop shortcut with customised ...

Personalizing Windows 11 desktop shortcut icons is limited. Users can use a grid to keep icons orderly and they can sort icons based on name, size or modified date, but little else.

But you can place an ICO file on a network share and change your shortcut's icon to that icon. It will work anywhere on the network. Use \\server\share instead of mapped drives.