One of League of Legends’ most common performance issues is the “unable to connect to the authentication service” error. It ...
Run the Hextech Repair tool Delete content from the Releases folder Temporarily disable security software (Firewall) Uninstall VPN client or disable Proxy server (if applicable) Configure Google ...
Third-party tools like IObit Uninstaller and CCleaner offer more thorough removal options. If you encounter issues, running as an administrator or using the Hextech Repair Tool can help.