Hi, Kaspersky says that ZAP7 and KAV7 are NOT compatible. ZAP 7 has to be DELETED if KAV 7 is installed. See this: http://support.kaspersky.com/faq/?qid=208279367 "If you are installing the File Anti-Virus component, then Kaspersky Anti-Virus 7.0 \Kaspersky Internet Security 7.0 detects and asks to delete the following products manually: ZoneAlarm Pro 7.0" Users over at the Kaspersky support forum fully agree. They say that ZAP may even prevent INSTALLATION of KAV7 - it's that bad! See these: http://forum.kaspersky.com/index.php?showtopic=45981&hl=zonealarm pro http://forum.kaspersky.com/index.php?showtopic=45805&hl=zonealarm pro Can anyone share their EXPERIENCE with these 2 products on the same computer system? Thank you for a great support forum. G.