[. . . ] Second, disable any software firewall programs such as ZoneAlarm or Norton Internet Security. If you are using Windows XP or Windows Vista, disable the built in firewall. [. . . ] If you are using Windows XP or Windows Vista, disable the built in firewall. Q2: I do not have a DHCP server or DHCP is disabled on my network and I am unable to configure the TV-IP121W. A2: First, go to the TCP/IP settings on your computer and assign a static IP address on your computer's network adapter in the subnet of 192. Second, run the IPSetup wizard and double click on the TVIP121W to access the browser configuration. A3: You can adjust the Internet Camera's focus by rotating the lens. A4: First, make sure that you are using a browser that supports ActiveX. These codes are subject to the GNU General Public License ("GPL") or GNU Lesser General Public License ("LGPL"). These codes are distributed WITHOUT WARRANTY and are subject to the copyrights of the developers. The details of the GNU GPL and LGPL are included in the product CD-ROM. The source codes are available for download from TRENDnet's web site (http://trendnet. Tel: +1-310-961-5500, Certifications This equipment has been tested and found to comply with FCC and CE Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. [. . . ] Tel: +1-310-961-5500, Certifications This equipment has been tested and found to comply with FCC and CE Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. [. . . ]