Home › Forums › NodeXL Installation issues – first time install, moving NodeXL to a new machine and more › NodeXL basic Installation problem › Reply To: NodeXL basic Installation problem May 27, 2020 at 3:49 am #8972 Harald MeierKeymaster Possible solutions to this problem are shown on this page under B1. Installation Error: Trusted Publisher and Trusted Sites. If you cannot solve the problem, feel free to request Tech Support on this page.