you could be right but its best to provide them with all the info we know to make things more easy for them. for example, it could be a issue on nvidias end with there drivers possibly seeing as i havent seen a amd user post about this issue yet.
from there facebook page Great news, everyone. While resolving the network issues, we were able to kill two birds with one stone by deploying the latest patch to Neverwinter. Patch Notes will be coming soon. This means that the maintenance that was originally scheduled at 6:00 a.m. Pacific Time is officially canceled!