Software that's working together with the network protocol stack at a low level can cause problems together with WinPcap.

Some known problematic software includes:

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 have had this issue on Win64 --Matthew

I had this happen to me using Windows XP Professional, Version 2002, SP2 and SonicWALL Global VPN Clinet, Version This happens with both the 0.10.13 and 0.10.14 downloads of Wireshark. I would be willing to help debug a solution ( ).

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

CaptureSetup/InterferingSoftware (last edited 2016-03-30 17:40:50 by GuyHarris)