umm guys.....newb question

hey guys.....................when i open Catalyst hax with VAC Chaos...i cannot even open the menu..i already press insert and right arrow....not working....run as admin already...*using Vista*.....is it cannot use anymore?
*i know its stupid question*last night..i can use it..

turn off your antivirus

already do that still not working=.=..every time i open hack......i always turn off antivirus......=.=.