If your provider binds your account to a specific device ID, try "unlinking" the device via your provider’s web portal. Toggle your VPN:
Since "MyTV" can refer to several apps (MyTV for MAG boxes, MyTV Online on Formuler boxes, or generic MyTV PC clients), this guide focuses on in a Windows PC environment. mytv pc client dialog full
To prevent the dialog full issue on MyTV PC client, follow these best practices: MyTV PC Client Dialog Full: A Comprehensive Guide