BEFORE you install the new ntop please: - deinstall the old ntop - deinstall the old wincap - delete all the *.db files that were stored in the folder where you installed ntop before (usually c:\programs\ntop-win32) At this point - install the ntop package. This package will also install the latest winpcap package that supports Windows 2003. Please always press the "next" button. - once ntop has been installed, open the "Services" control panel item, and start the ntop service - connect your browser to http://:3000/ ------- Luca Deri September 2004