Go through the following simple checklist to ensure that you are able to run Wireshark successfully (make sure that all of these criterias are met):
- You have downloaded Wireshark from known and trusted source only
- You have administrative privileges to run Wireshark
- The installation of Wireshark and the Winpcap driver has been completed successfully without any exceptions
- You are connected to the network that you want to capture network traffic from
- If you are trying to sniff using a virtual machine, ensure that you have set your network adapter to bridged mode
- Restart your machine to ensure the changes have been applied after successful installation of Wireshark
- Your NIC card supports promiscuous ...
