[tbb-bugs] #12941 [Tor Browser]: Firefox is already running.

[Tor Bug Tracker & Wiki]

#12941: Firefox is already running.
-------------------------+--------------------------
 Reporter:  mttp         |          Owner:  tbb-team
     Type:  defect       |         Status:  new
 Priority:  normal       |      Milestone:
Component:  Tor Browser  |        Version:
 Keywords:               |  Actual Points:
Parent ID:               |         Points:
-------------------------+--------------------------
 The full error message is reported as "Firefox is already running, but is
 not responding. To open a new window, you must first close the existing
 Firefox process, or restart your system." This happens when the user tries
 to Start Tor Browser after previously closing it normally. The error
 blocks Tor Browser from launching.

 This error has been reported on both Windows and Mac.

 Tor Browser is on the Desktop.

 User reports that they can indeed find a lingering Firefox.exe process in
 task manager after Tor Browser has already been closed, and that killing
 the process allows them to start Tor Browser successfully.

 The contents of the Data/Browser/profile.default folder are listed below:

 bookmarkbackups File folder 8/22/2014 9:52:45 PM 5/22/2014 6:40:12 AM
 extensions File folder 8/23/2014 9:40:31 AM 5/22/2014 6:36:45 AM
 HTTPSEverywhereUserRules File folder 5/22/2014 6:39:55 AM 5/22/2014
 6:39:55 AM
 preferences File folder 5/22/2014 6:36:46 AM 5/22/2014 6:36:46 AM
 safebrowsing File folder 8/23/2014 9:34:28 AM 8/23/2014 9:34:28 AM
 startupCache File folder 8/23/2014 9:38:53 AM 8/1/2014 5:02:52 AM
 thumbnails File folder 5/22/2014 6:40:13 AM 5/22/2014 6:40:13 AM
 webapps File folder 8/23/2014 9:34:24 AM 5/22/2014 6:40:12 AM
 blocklist.xml xml 131 KB XML Document 8/23/2014 9:42:27 AM 5/22/2014
 6:46:15 AM
 bookmarks.html html 4 KB Opera Web Document 12/31/1999 8:00:00 PM
 12/31/1999 8:00:00 PM
 cert8.db db 64 KB Data Base File 8/22/2014 9:52:45 PM 5/22/2014 6:39:55 AM
 compatibility.ini ini 1 KB Configuration settings 8/1/2014 5:02:51 AM
 5/22/2014 6:39:55 AM
 cookies.sqlite sqlite 512 KB SQLITE File 5/22/2014 6:49:22 AM 5/22/2014
 6:39:56 AM
 cookies.sqlite-shm sqlite-shm 32 KB SQLITE-SHM File 8/23/2014 9:34:20 AM
 8/23/2014 8:35:09 AM
 cookies.sqlite-wal sqlite-wal 0 SQLITE-WAL File 8/23/2014 8:35:09 AM
 8/23/2014 8:35:09 AM
 downloads.sqlite sqlite 96 KB SQLITE File 5/22/2014 6:40:24 AM 5/22/2014
 6:40:24 AM
 extensions.ini ini 1 KB Configuration settings 7/31/2014 7:23:44 AM
 7/31/2014 7:23:40 AM
 extensions.sqlite sqlite 448 KB SQLITE File 7/31/2014 7:23:40 AM 5/22/2014
 6:39:55 AM
 formhistory.sqlite sqlite 192 KB SQLITE File 6/29/2014 9:30:11 AM
 6/29/2014 9:30:11 AM
 key3.db db 16 KB Data Base File 8/22/2014 9:52:45 PM 5/22/2014 6:39:55 AM
 localstore.rdf rdf 3 KB RDF File 8/23/2014 6:50:53 PM 8/23/2014 6:50:53 PM
 marionette.log log 1 KB Text Document 8/23/2014 9:34:23 AM 5/22/2014
 6:39:59 AM
 mimeTypes.rdf rdf 4 KB RDF File 5/22/2014 6:40:12 AM 5/22/2014 6:40:12 AM
 parent.lock lock 0 LOCK File 8/23/2014 9:34:19 AM 5/22/2014 6:39:55 AM
 places.sqlite sqlite 10,240 KB SQLITE File 8/22/2014 10:54:40 AM 5/22/2014
 6:40:12 AM
 places.sqlite-shm sqlite-shm 32 KB SQLITE-SHM File 8/23/2014 9:34:24 AM
 8/23/2014 8:35:15 AM
 places.sqlite-wal sqlite-wal 65 KB SQLITE-WAL File 8/23/2014 10:00:13 AM
 8/23/2014 8:35:15 AM
 pluginreg.dat dat 1 KB DAT File 7/10/2014 8:13:56 AM 7/10/2014 8:13:56 AM
 prefs.js js 6 KB JScript Script File 8/23/2014 7:10:30 PM 8/23/2014
 7:10:30 PM
 search.json json 21 KB JSON File 5/22/2014 6:40:13 AM 5/22/2014 6:40:13 AM
 secmod.db db 16 KB Data Base File 5/22/2014 6:39:55 AM 5/22/2014 6:39:55
 AM
 Telemetry.FailedProfileLocks.txt txt 1 KB Text Document 8/23/2014 9:33:58
 AM 7/27/2014 4:10:19 PM
 webappsstore.sqlite sqlite 96 KB SQLITE File 5/22/2014 6:49:22 AM
 5/22/2014 6:40:14 AM
 webappsstore.sqlite-shm sqlite-shm 32 KB SQLITE-SHM File 8/23/2014 9:34:25
 AM 8/23/2014 9:34:25 AM
 webappsstore.sqlite-wal sqlite-wal 0 SQLITE-WAL File 8/23/2014 9:34:25 AM
 8/23/2014 9:34:25 AM

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12941>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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