Hello, I've got a Windows xp machine that I've received and it needs cleaning. That however is not the point of this email. It got this way because of visits to porn and other adware carrying sites. I'm needing to block this stuff at the pc level. The place it's going the user's do not have the technical know how to go beyound the machine, install another browser, etc. so block it there probably with IE or Firefox and it's gone. I can not purchase new hardware or software for this project and must therefor rely on open source/free tools and techniques. Some solutions i've tried in the past though this first one is no longer proving effective, has been to drop a hosts file in c:\windows\system32\drivers\etc which contains sites and pointers to localhost. The idea is the redirects won't work. Enabling the popup blocker at maximum as well as the phishing filter is standard in my setups. On a home router once I deployed a squid proxy with a squidguard antispam redirector, this was marginally effective. I've also deployed the opensource dansguardian content filter, this slowed things down noticeably. I'm wanting to deploy some of these packages on the local machine itself. If anyone has any suggestions on this issue please let me know. Thanks. Dave.