Sounds as if the port your VPN connects over is being restricted or
blocked. In order to change the port that your VPN is connecting
through, please try the steps in the following link: https://helpdesk.privateinternetaccess.com/hc/en-us/articles/219059608
If changing ports does not resolve the issue, please contact us at email@example.com and our support team will be happy to assist you further.