If you are using a Barracuda VPN connection and you get an error, reporting to the adapter, please follow these instructions

If you can not see this icon then click on the this  which is near the clock

Right Click on the Barracuda VPN icon 

On the pop up menu, choose troubleshooting then Repair VPN Adapter

After 30 seconds or so, you should see this pop up

Click on OK to clear and try reconnecting to the VPN