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No internet until I open Wireshark

asked 2021-01-15 10:01:26 +0000

Jaixmemly gravatar image

updated 2021-01-15 10:29:54 +0000

Recently I downloaded Wireshark, but since then, every time I boot my computer, I can't connect to my router neither by Ethernet nor by Wi-Fi until I start Wireshark. I don't know how to troubleshoot the problem, the only fix I found so far is to uninstall Wireshark.

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Your OS and Wireshark version? Please copy and paste the info from the menu: Help -> About Wireshark -> Wireshark tab.

grahamb gravatar imagegrahamb ( 2021-01-15 11:15:31 +0000 )edit

Help info:

3.4.2 (v3.4.2-0-ga889cf1b1bf9)

Compiled (64-bit) with Qt 5.15.1, 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).

Running on 64-bit Windows 10 (2009), build 19042, with Intel(R) Core(TM)
i7-4700HQ CPU @ 2.40GHz (with SSE4.2), with 8075 MB of physical memory, with
locale French_France.utf8, with light display mode, without HiDPI, with Npcap
version 1.00, based on libpcap version 1.9.1, with GnuTLS 3.6 ...
(more)
Jaixmemly gravatar imageJaixmemly ( 2021-01-15 11:20:55 +0000 )edit

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answered 2021-01-15 11:58:42 +0000

grahamb gravatar image

You're running on Windows with the npcap (1.00) capture library, which is the element that may be affecting your connection. Try downloading the latest version, currently 1.10, and installing that.

If the problems persist, please report the issue at the npcap Github issues page.

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I updated npcap and I don't have the problem anymore, thank you! I got the version 1.00 from Wireshark's installer, they should probably include a more recent version with it.

Jaixmemly gravatar imageJaixmemly ( 2021-01-16 11:31:55 +0000 )edit

That's already in progress, the next releases of Wireshark will use 1.10, maybe even a newer version if released by npcap in time. We try to balance keeping up to date with the possibility of introducing new issues.

grahamb gravatar imagegrahamb ( 2021-01-16 14:34:55 +0000 )edit

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Asked: 2021-01-15 10:01:26 +0000

Seen: 108 times

Last updated: Jan 15