Dung mot trong nhung key phia duoi de dang ky BA9. Neu mot key bi khoa (ko dang ky duoc), ban chay file keygen.exe va bam Generate de lay key khac, sau do dang ky lai. 7A78072E05DA1FFD6B7E 8AE679682944095C912B 828F4F72C126A2C48165 B2300F84F6216ECE3984 AE1504DD43912CBD7ABA A0E474A77CB813D904C4 Trong file keygen.exe con co so dang ky cho phien ban BitDefender Internet Security 2009 Final v� BitDefender Total Security 2009 Final.