To fix this problem, uninstall and reinstall WAN Miniport drivers.
STEP 1: Uninstall and reinstall WAN Miniport drivers
- Press the + keys to open the Run dialog box.
- Type in the following text, and then press .
devmgmt.msc
- In the Device Manager window, double-click to expand it.
- Under Network adapters, double click to open driver properties.
If you cannot find WAN Miniport drivers (IKEv2) under Network adapter, from the top menu bar, click > .
- On the Driver tab, click or .
- Follow the on-screen instructions.
- Repeat lines 4 to 6 to remove the following drivers:
Follow the on-screen instructions and remove the WAN Miniport and TAP drivers.
- In the Device Manager window, from the top toolbar, click and then click .
- Follow the on-screen instructions to install WAN Miniport device drivers.
After the device driver installation is complete, you can start Norton and turn on Secure VPN. If the problem persists, go to Step 2.
STEP 2: Reset network adapter and TCP/IP stack
- Press the + keys to open the Run dialog box.
- Type in the following text, and then press .
cmd
- In the Command Prompt window, type the following and press :
netsh winsock reset
When the Winsock reset is complete, the message “Winsock reset completed successfully” appears in the Command Prompt window.
- In the Command Prompt window, type the following and press :
netsh int ipv4 reset
If you use IPV6, type the following command and press :
netsh int ipv6 reset
- Exit all programs and restart your computer.
Source : Official Norton Brand
Editor by : BEST Antivirus KBS Team