Is this problem special to Win32 systems?!?
Software that's working together with the network protocol stack at a low level can cause problems together with WinPcap.
Some known problems are:
SonicWALL Global VPN Client, Version 18.104.22.1686: When installed together with WinPcap 3.1, the network interfaces are no longer available (ipconfig /all doesn't show them)
Cisco VPN client: duplicates packets, even if not running (installation is enough to cause problems) - Steve Masters
Cisco VPN client: may hide all packets, even if not connected - disable the firewall in the Cisco VPN client or stop the "Cisco Systems, Inc. VPN Service" -- Matthias Andree
F-Secure Anti-Virus Client Security - disable the firewall part of the suite and it works again. Kim Tiedemann
<please append other known problems here>
If you have any such problems, you may contact the WinPcap team directly as the Wireshark developers can't do anything against it.
Is this a Win32 only problem, or are other OS/software combinations also problematic?
I had this happen to me using Windows XP Professional, Version 2002, SP2 and SonicWALL Global VPN Clinet, Version 22.214.171.1246. This happens with both the 0.10.13 and 0.10.14 downloads of Wireshark. I would be willing to help debug a solution (firstname.lastname@example.org).
We (the Wireshark developers) have outsourced Windows NDIS expertise to the WinPcap developers; you should contact them to see if they can work with you on this. --Guy Harris