The WinPcap driver (called NPF) is loaded by Wireshark when it starts to capture live data. A reboot is usually not required and all your personal settings remain unchanged. Simply download and start the installer exe. Updating Wireshark is done the same way as installing it. New versions of Wireshark are usually released every four to six weeks. Do I need to reboot after installing Wireshark? Just like running tcpdump -D vs sudo tcpdump -D, the first one won't show any of the interfaces, won't compalain/prompt for sudo privileges either. You need to be superuser in order to be able to view interfaces. You can choose a capture filter and type of interface to show in the interfaces lists at this screen as well. Before you can see packet data you need to pick one of the interfaces by clicking on it. The Interface List is the area where the interfaces that your device has installed will appear.
Do I need to reboot after installing Wireshark?.How does Wireshark user interface work?.
How do I add a remote interface in Wireshark?.How do you fix Wireshark without interfaces?.When Wireshark reports that it cannot find any “interfaces”, it means that it could not detect any networks.