hi sunday my avast premier updated and to day my computer will not start just hangs there but if i turn it off by the power button and turn it on again it starts but it will not start if you turn it of and leave it for 5 minutes it just hangs again you have to turn of by the power button and turn it on again was working fine on sunday also i renewed my licence 5 days ago i had 100 days left now it is showing 275 days any ideas thanks if you can help.johnyjohn