What is WinPcap and why did it install when I installed DownloadStudio?
WinPcap is a component used by the DownloadStudio URL Sniffer to capture network traffic. If you do not install WinPcap when you install DownloadStudio then you will not be able to run DownloadStudio URL Sniffer. For more information on WinPcap please visit the WinPcap FAQ’s page at http://www.winpcap.org/misc/faq.htm.