Open the folder where you installed GW2, right click Gw2.exe and select properties. Under the general tab, if it states that the file came from another computer (at the bottom) and is blocked, click the unblock button.
Check that Gw2.exe is allowed access to the internet through your firewall. Keep in mind that simply disabling security software won’t always work compared to adding exceptions.
If you’re using COMODO, disable sandboxing, HIPS/Defense+ and the firewall. If you have other security software with similar features, disable them.
Right click Gw2.exe and run it as an administrator.
Open the folder Gw2.exe is located in and in the address bar type:
Gw2.exe -clientport 80
… and press enter. This will run the game over port 80 instead, in an attempt to bypass port blocking.
Open the folder Gw2.exe is located in and in the address bar type:
Gw2.exe -diag
… and press enter. This will run a network diagnostics. View the results to identify if it’s able to connect to the servers.
If you have a modem to router to your computer setup, try directly connecting your modem to your computer. If you are unable to, access the configuration of your router and disable its firewall if applicable and open/forward ports 80, 443, 6112 and 6600 for your computer.
