So… problem #1…

Apache runs on the same ports as:

Filesharing programs like(kazza & co)
Antivir (mcAffe 7.0)
Skype (messenger)
XpAntiSpy
various firewall und routing software
WinXP without SP1
WinXP integrierte Netzwerk Firewall
MS IIS
WebcamXP

Of those, I’m using Skype, so need to find a way to either have Skype run on a different port then 80 or switch apache over.