For same strange reason icons in different groups of my listview appear on top of one another… any ideas what might be causing it?

Thanks!
edit:
no, originally the view was set to SmallIcons. When I try setting it to Details, it looks perfect, only the names get cut short. 🙂

Being forced to guess with no repro steps whatsoever, I’d say you used View = Tile and made the TileSize property value too small. If that’s not it, copy and paste the content of InitializeComponent() from the form’s Designer.cs file into your post.