For the last week or so ZA Security suite version:6.5.722.000 frequently alerts me to what it thinks is suspicious behaviour. The messge is, for instance,"guard is trying to change your network settings by modifying the file: WINDRVDIR\etc\hosts" The program is Ewido. Why is ZA kicking up a fuss and what can I do to calm it down?

Operating System:Windows XP Home Edition
Product Name:ZoneAlarm Internet Security Suite
Software Version:6.5