Problem with shell execute

Best to be explicit and have:

Var f As new FolderItem (LeggiRigoFileDiTesto(4), FolderItem.PathModes.Native)

With this, the file may be anywhere and provided it’s reachable it will work.

… and also find the file on the network path:
\PCUFFICIO\Desktop\H&FUTI~1\LISTIN~1\COSTOM~1.ODS