There are a number of reasons why this might occur:
Have you installed a capture library, e.g. WinPcap or npcap? Please post the contents of the Wireshark | Help | About Wireshark dialog as this will show the capture library in use (and also the Wireshark version).
A faulty installation of WinPcap, please try uninstalling WinPcap (from Programs and Features), reboot, and then install Winpcap (or npcap) separately ensuring you right click the installer and "Run as Administrator".
There are a number of reasons why this might occur: