Infusion v10 needs to communicate to the following websites when it validates the license, please make sure these are not blocked by firewall/security:
Also, ensure that the following ports are open:
14742, 15555, 15556 and 15557, 80, 14743
The ports require both outgoing and incoming communication in order to transmit validation of licence.
On Windows 10 computers, please ensure that the permissions above are replicated to the necessary user profiles, not only admin.