Further to my last email, I've just revisited the A-Squared website. To confuse you further, just when you thought you knew it all, they list the following nasties in their latest definitions: "The list contains Trojans, Backdoors, HackTools, Batch Viruses and Trojans, Internet-Worms, IRC-Worms, Java-Scripts, Webserver-Scripts, VBS-Scripts, Virus-Construction Kits, Denial of Service Tools (DoS), Distributed Denial of Service Tools (DDoS), Flooder, Keylogger, Nuker, Sniffer and Unix-Viruses." The internet's becoming a scary place at night. Don Penlington From the Beach at Surfers Paradise in sunny Queensland. Computer tutorials, local scenery, and other things at my website: http://users.tpg.com.au/deepend/index1.html