From the developer: PpGuard is an kid-safe internet-filter program, that runs stealth and works on a TrustFile principle. If a requested internet address ( URL ) is in the TrustFile, kids can go there. If a requested URL is not in the TrustFile, kids can't go there, until a parent has added that address into the TrustFile. This TrustFile approach guarantees a 100% blockage rate. Parents have access to a password protected, Learning-Mode, and ByPass-Mode. PpGuard works (as a proxy) with Internet Explorer and comes loaded with ~1000s kid-safe internet addresses. Parents/Administrators can choose to start with our default TrustFile, or to create their own list of Trusted Websites from scratch, via a Learning-Mode. PpGuard works equally well for Home and/or Business use.