please help me

excuse me .ihave a problem with my avast internet security .i can not update my avast.indicates this message…please help me…
http://www.uploadtak.com/images/x542_Capture.png

Try to repair Avast Internet Security. How to repair Avast? Start-Control Panel-Add/Remove Programs-Avast-Select “Repair” and follow instruction,wait a few minutes and restart your PC. Try to update Avast VDB,now? Still got problems?

i tried but it had not advantage

Then try to manual update Avast Internet Securty database with avast! VPS update. You can download avast! VPS update here: http://www.avast.com/download-update