We have two pc's, one laptop, and two android phones that can no longer navigate one particular subscription website. The website manager has no other reports of similar problems among thousands of other users. Our router has been excluded as a potential problem. Firewalls, Antivirus programs, and pop-ups are not the issue. When our devices are moved to a different internet connection, this problem does not occur. This site is imperative to our business. Please help me!