patcher.
You could try the suggestions found here: https://forum-en.gw2archive.eu/external?l=https%3A%2F%2Fhelp.guildwars2.com%2Fentries%2F27698133-Connectivity
or peruse the other articles that may apply in the Knowledge Base.
You can also try the Stickies and/or the threads dealing with the issue over in Tech Support (as this would be a Support (Tech) issue rather than a Bug (Game) issue).
Welcome to Tyria, and good luck!