Shields

My shields will not activate. The messages says, "Unable to start ------shield! Shield unreachable. Not fully protected unless they are active. Any thoughts on a solution?

try running avast repair and reboot

For a repair of avast. Windows, Add Remove programs, select ‘avast! Anti-Virus,’ click the Change/Remove button from the pop-up window, scroll down to Repair, click next and follow.

did that change anything ?