I used Nod 32 for over a year and had some problems with the program not loading properly causing my PC to get infected so I requested and received a refund at the time and bought Kaspersky Pro and used that for a year. Although Kaspersky Pro gave me 100% protection I missed the faster scanner of NOD 32 so when KAV expired I decided to buy NOD 32 again. Now, after having it installed for maybe a few months I'm fast finding out that it is the absolute worst anti-virus for other AV vendors. I adjusted the settings and haven't heard a peep for months and haven't been infected or even received any messages. Sometimes when I check I can see that it cleaned some infections but basically I wouldn't wish this AV on my worst corporate enemy such as Kaspersky, Norton and others etc because it not only leaves them for dead but enables me to really enjoy my time surfing ANYWHERE without the slightest worry in the world. So, Yes NOD 32 is the world's worst AV for other AV companies because it out guns them, out performs them and is so quiet I don't even know it's there at all. Updates perfectly, protects perfectly and doesn't slow down my PC so if I were Symantec or Kaspersky I would be cursing NOD 32 every single day but because I'm me I just want to say that for USERS this is the absolute BEST AV in the world. But for other AV companies it is most certainly the very worst!!