Hello! I'm using Nod32 AV 4.2.40.10 with Win XP. I never had problems with Version 3 running on the same machine. After upgrading to Version 4 sometimes Port 80 (web access) is blocked. Net access through other ports (e.g. mail) still works fine, but no access to websites with several web browsers using port 80. So I wanted to disable web scanning in Nod32 advanced configuration menu. error message: 'not enough rights to change this value'. Of course I've admin rights and normally can enable or disable web scanning but that's not possible when port 80 seems to be blocked by Nod32. I found only one work around: rebooting the machine and all works fine again. Any other known solutions? Best regards, - kjz