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3.4.7 cant capture, keeps saying could not be initiated on interface

asked 2021-08-25 12:19:51 +0000

adamb gravatar image

updated 2021-08-25 13:09:40 +0000

grahamb gravatar image

I have confirmed npcap is running on machine, but getting error and saying make sure proper interface or pipe is specified

Version 3.4.7 (v3.4.7-0-ge42cbf6a415f) 

Copyright 1998-2021 Gerald Combs <[email protected]> and contributors. License GPLv2+: GNU GPL version 2 or later <> This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 

Compiled (64-bit) with Qt 5.15.2, with libpcap, with GLib 2.52.3, with zlib 1.2.11, with SMI 0.4.8, with c-ares 1.15.0, with Lua 5.2.4, with GnuTLS 3.6.3 and PKCS #11 support, with Gcrypt 1.8.3, with MIT Kerberos, with MaxMind DB resolver, with nghttp2 1.39.2, with brotli, with LZ4, with Zstandard, with Snappy, with libxml2 2.9.9, with QtMultimedia, with automatic updates using WinSparkle 0.5.7, with AirPcap, with SpeexDSP (using bundled resampler), with Minizip. 

Running on 64-bit Windows 10 (1909), build 18363, with Intel(R) Core(TM) i5-8365U CPU @ 1.60GHz (with SSE4.2), with 7907 MB of physical memory, with locale English_United Kingdom.utf8, with light display mode, without HiDPI, with Npcap version 1.31, based on libpcap version 1.10.1-PRE-GIT, with GnuTLS 3.6.3, with Gcrypt 1.8.3, with brotli 1.0.2, without AirPcap, binary plugins supported (21 loaded). Built using Microsoft Visual Studio 2019 (VC++ 14.29, build 30037). 

Wireshark is Open Source Software released under the GNU General Public License. 
Check the man page and for more information.

Am trying to capture on wifi or ethernet interface, same results on both

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By mentioning npcap you imply you're running Wireshark on Windows but all other aspects of what you're trying to do are unclear.

Please post the contents of the about dialog (Help -> About Wireshark -> Wireshark tab) and what interface you're trying to capture on.

grahamb gravatar imagegrahamb ( 2021-08-25 12:46:12 +0000 )edit

Not sure if it's related, but you're running an older version of npcap (1.3.1), you could try downloading the latest from their website and installing that.

grahamb gravatar imagegrahamb ( 2021-08-25 13:11:55 +0000 )edit

that is the version of npcap that it installs as part of 3.4.7 installation and as on work machine am not allowed to upgrade that. Anyone have any ideas what issue is here?

adamb gravatar imageadamb ( 2021-08-25 14:04:36 +0000 )edit

Can dumpcap (the part of Wireshark that communicates with npcap) list the interfaces? Using a command prompt try the following:

"C:\Program Files\Wireshark\dumpcap.exe" -D
grahamb gravatar imagegrahamb ( 2021-08-25 14:10:13 +0000 )edit

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answered 2021-08-25 14:12:37 +0000

adamb gravatar image

Thanks for help grahamb. I have managed to get to work by uninstalling NPCAP and then reinstalling wireshark.

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Asked: 2021-08-25 12:19:51 +0000

Seen: 69 times

Last updated: Aug 25