Hello.. I had downloaded Bitdefender AV Free edition yesterday ( i think that is an offline version).. But when i cant install that till now, The installation wizard opens and Completing two steps ( Application files download and system files scanning are the two steps. At in the Third step setup has failed.. I'm Googled the problem and i had found some solutions here ( Unblock the .exe file, UAC settings, Uninstall tool ) .. But i cant solve the problem with that remedies.. SO>>> WHAT I WANT TO DO ? i have all the system requirement for installing the BitDefender