In order to solve the issue, go to Start > Control Panel > Network and Internet > Network and Sharing Center > Local Area Connection and click Properties. Select Internet Protocol (TCP/IP) click Uninstall and restart your computer after the process is finished. Next, press Windows + R key combination, type devmgmt.msc and click OK. From the View menu select Show hidden devices and check if there is a WAN Miniport IP entry in the Network Adapters list.
If there isn't this entry, go to Local Area Connections > Properties, click Install, select Protocol and then press Add. After that, select Internet Protocol (TCP/IP) option below Network Protocol, click OK and restart your modem and computer.
If the WAN Miniport IP appears in the Network Adapters list, go to Start, type regedit and open the application. Navigate to HKEY-LOCAL-MACHINE > SYSTEM > CurrentControlSet > Control > Class > {4D36E972-E325-11CE-BFC1-08002BE10318}, select the Export option from the File menu, enter a name, select a destination directory and click Save. Right-click the DriverDesc entry for WAN Miniport (IP) and select Delete. Next, go to Device Manager, expand the Network Adapters list, right-click the WAN Miniport (IP) driver and select Uninstall. Reboot the PC and go to Local Area Connections > Properties, click Install, select Protocol and then press Add. After that, select Internet Protocol (TCP/IP) option below Network Protocol, click OK and restart your modem and computer.
