Wireshark-bugs: [Wireshark-bugs] [Bug 12148] New: Unable to open two Wireshark instances simulta

Date: Sat, 20 Feb 2016 12:38:49 +0000
Bug ID 12148
Summary Unable to open two Wireshark instances simultaneously
Product Wireshark
Version 2.0.1
Hardware x86-64
OS Windows 8.1
Status UNCONFIRMED
Severity Normal
Priority Low
Component Qt UI
Assignee [email protected]
Reporter [email protected]

Created attachment 14348 [details]
Screenshot of the error on opening second instance

Build Information:
Version 2.0.1 (v2.0.1-0-g59ea380 from master-2.0)

Copyright 1998-2015 Gerald Combs <[email protected]> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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 (32-bit) with Qt 5.3.2, with WinPcap (4_1_3), with libz 1.2.8, with
GLib 2.38.0, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.2, with GnuTLS
3.2.15, with Gcrypt 1.6.2, with MIT Kerberos, with GeoIP, with QtMultimedia,
with AirPcap.

Running on 64-bit Windows 8.1, build 9600, with locale C, with WinPcap version
4.1.2 (packet.dll version 4.1.0.2001), based on libpcap version 1.0 branch
1_0_rel0b (20091008), with GnuTLS 3.2.15, with Gcrypt 1.6.2, with AirPcap 4.1.0
build 1622.
        Intel(R) Core(TM) i3-2120 CPU @ 3.30GHz (with SSE4.2), with 7991MB of
physical memory.


Built using Microsoft Visual C++ 12.0 build 31101

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
I'm used to compare multiple network traces by opening them simultaneously in
different Wireshark instances. This seems to be the only way to perform a quick
switch between different network traces, since wireshark doesn't support tabs.
Opening several instances is really informative especially if you have two
monitors at your working place.

The latest portable wireshark version doesn't allow opening another instance.
It reports the following: "Another instance of Wireshark is already running.
Please close other instances of Wireshark before launching Wireshark Portable".
The latest build working fine with multiple instances is 1.12.9. Upgrading to
1.99.0 results into issue reproduction.

This scenario was already discussed for older versions in scope of
https://www.wireshark.org/lists/wireshark-users/201012/msg00010.html. That
thread treats behavior as a bug, so I treat current reoccurrence as a bug too.


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