Home › Forums › SharewareOnSale Deals Discussion › Heimdal PRO / Apr 5 2018 › Reply To: Heimdal PRO / Apr 5 2018 Apr 5, 2018 at 12:05 pm #10797372 Quote Andrei @ Heimdal SecurityGuest [@Godwin] Hi there. Heimdal can run with .NET Framework 4.6.1 or above. You’re probably running an older version. Can you please check?