We just got the news that, as a result of the decision of Zone Labs, ZoneAlarm 64-bit is no longer available for download. The publicly available beta version of the 64-bit software was released in February. Zone Labs gave warnings about several bug options upon release. In the meantime a new warning was published, also mentioning some serious problems. Considering this, the present announcement was no surprise.
ZoneAlarm x64 no longer available for download