PS . Excuse me for my bad english .. ok so man .. I tried dozen times to get somebody's pass but .. it sill nothing !! here is what I did : lunch the app " fAircrack V0.3 GUI " - Enable Monitore Mode - Scan for WPA - Start Packet Capture - leave it for about 2 hours - then pause it - Decrypt using john " letters and digits " .. so what's wrong ?