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