You can attempt to run Sage 50 in compatibility mode by right clicking on the Sage 50 icon and accessing its properties. On the Compatibility tab, check mark the first box, which tells Sage 50 run the program as if the Windows Operating System was running Windows 8 (or 8.1). Click OK at the bottom of the properties window, and then attempt to start Sage 50. If you continue to have problems, the issue may be more related to the settings of your network adapter, i.e. iPv6 vs iPv4 settings, or power management/hibernation settings on your NIC. Please reach out to us if you would like additional assistance with modifying the properties of your network adapter offline, https://pcosupport.com.