Update Network Driver for your WiFi adapter. If required, uninstall and reinsatall.
Open Registry Editor.
Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\RasMan\PPP\EAP\13.
Create a DWORD key named TlsVersion with a value of FC0.
Try resetting the network stack by running the following command in an elevated Command Prompt: netsh winsock reset