Hi I'm having a little problem I installed Avast 4.7 Home Edition Build 2006 4.7.844 version 0622-4 I put my computer into system restore and when it started a window came out saying Your computer is at Risk and Avast is turned off How do I turn it on? and also can I have windows firewall on too with avast? I really need your help on this one my computer is at risk PLEASE HELP>>>>>>