Created attachment 3418 Example of the bug On Xfce 4.6.x, when you put a desktop shortcut on desktop it, appears only the shortcut filename without the .desktop extension. On Xfce 4, the .desktop extension appears. If you manually remove the .desktop extension, the icon is threated as a text-file.
Already fixed. *** This bug has been marked as a duplicate of bug 6896 ***