I am using zonealarm freeware ( i.e. only firewall). 2 months back i have upgraded win 98 to win 2k. , continued to use the same zonelab version. now it it time to update the version. i have downloaded the 13 mb file 3 times, but still it is giving me the same message that "this is not a valid win 32 apllication". what to do ? unless i update the firewall; it's of no use. pls. suggest.