Connect your system to internet to resolve this error. If you are using 3DMark Professional Edition in an environment where no network connection is available, contact our support for further assistance.

Note that proxy servers that require authentication are not supported and corporate firewalls that do packet inspection on HTTPS traffic may also prevent connections to our activation server. If you need to set an exception, 3DMark connects to 184.73.232.109 IP address when doing online activation using HTTPS.