Вот что ответили в сапорте, может кому нибудь поможет. Сказали что дело в провайдере из за последнего обновления возникли проблемы с портов 6112.
1. Navigate to your Guild Wars 2 installation folder.
2. Right-click on GW2.exe and select Create Shortcut.
3. Rename this shortcut to Guild Wars 2 Port Test.
4. Right-click on this shortcut and select Properties.
5. Edit the Target line to include /clientport 80 at the end.
Note: Please make sure /clientport 80 is outside of the quotes
Correctly Formatted Example: "C:\Games\Guild Wars 2\GW2.exe" /clientport 80
Incorrectly Formatted Example: "C:\Games\Guild Wars 2\GW2.exe /clientport 80"
6. Once completed, click OK to save your changes.
If you get an error trying to save, your target line may not have the correct format. Please try step 5 again.
7. Double-click Guild Wars 2 Port Test and try connecting again.