Some antivirus software or firewalls block the path to the ViSoft update server. If this is the case you will receive an error when updating.
Release the addresses below in the settings of the antivirus software.
Demo / Online ViSoft Premium
62.138.185.73 : main server
162.55.93.244 : reserve server
ViSoft Internet Update
dataupdate.visoft.de
94.130.200.249 : Update Server
