History of Firefox won't start - find solutions Category: Troubleshooting Revision history for: English Show Helpfulness Votes Chart Compare Selected Revisions Revision Status S Editor R Comment Sep 1, 2023, 8:12:23 PM Current M AliceWyman XULRunner - Error edits, deleted {for =fx96,=fx97} content Oct 26, 2022, 1:48:42 AM Approved M AliceWyman No error message: linked to malware article. Oct 19, 2022, 9:23:24 PM Approved M AliceWyman small edit to Intro, replaced "Firefox crashes" article for Mozilla Crash Reporter issue Jun 14, 2022, 8:36:12 AM Approved Chris Ilias purged pre-fx88 content Feb 17, 2022, 1:14:21 AM Approved M Michele Rodaro Added missing {/for} Feb 17, 2022, 12:23:08 AM Approved M AliceWyman Webroot issue fixed in 97.0.1 Feb 9, 2022, 6:50:01 PM Approved AliceWyman a few more minor edits Feb 9, 2022, 6:38:32 PM Approved AliceWyman Firefox download links updated with SUMO referral source Feb 9, 2022, 2:19:45 AM Approved Mozinet details and Firefox download page URL Feb 8, 2022, 8:39:02 PM Approved M AliceWyman Webroot issue is not just for fx97 (see bug 1752466) Feb 8, 2022, 7:58:07 PM Approved M AliceWyman Intro: link to :"Firefox hangs..."; No error message: added Webroot issue for fx97 Dec 17, 2021, 5:56:06 AM Approved AliceWyman removed {for win,win11} workaround Nov 10, 2021, 11:48:11 PM Approved M AliceWyman {for win} -> {for win,win11} (bug 1740617) and other edits Oct 30, 2021, 11:53:10 PM Approved M AliceWyman renamed section to "Firefox will not start due to security software" Sep 30, 2021, 12:54:38 AM Approved M AliceWyman updated links to renamed articles; fx88 Troubleshoot mode; other edits Dec 4, 2019, 9:23:17 PM Approved M AliceWyman added Comodo issue for win, fx71 (bug 1590430) Jul 19, 2019, 4:46:01 AM Approved M AliceWyman Updating issues (ZoneAlarm/AVG/Avast) are Windows-only Jul 19, 2019, 4:39:13 AM Approved M AliceWyman Firefox will not start after updating: Avast/AVG issue Jan 21, 2017, 9:18:10 AM Approved M AliceWyman removed another mac section with link to archived article Jan 20, 2017, 2:30:54 AM Approved M AliceWyman Removed section for Mac with link to archived article - see discussion. Jan 15, 2017, 7:23:15 PM Approved M AliceWyman removed "Firefox hot topics" link (no longer used) Sep 14, 2016, 10:54:13 PM Approved M AliceWyman added note to try the Refresh option in Firefox Safe Mode (see discussion) Dec 16, 2015, 9:02:17 AM Approved M AliceWyman "Failed to read the configuration file" error Mar 6, 2015, 3:05:43 AM Approved M AliceWyman fixed broken "Firefox Hot Topics" link Sep 25, 2014, 7:23:24 PM Approved M AliceWyman "Firefox.app can't be opened" error on Mac: article name change Sep 25, 2014, 6:20:30 AM Approved M AliceWyman updated Mac error to "Firefox.app can't be opened ..." Sep 24, 2014, 12:59:25 AM Approved M AliceWyman New Mac error "Firefox.app cannot be opened because the identity of the developer cannot be confirmed" - see https://support.mozilla.org/kb/firefox-cant-be-opened-mac-how-fix-it/discuss/5521 Aug 20, 2014, 11:29:22 AM Approved M AliceWyman Specific error messages: added "Your Firefox profile cannot be loaded. It may be missing or inaccessible", linked to new article, removed Share template Jul 10, 2013, 5:01:24 PM Approved M scoobidiver showfor winxp, win7 & win8, fixed Hot Topic link, ellipsis char Oct 18, 2012, 1:39:57 PM Approved M Andrew Removed extra spaces in article. Oct 15, 2012, 7:29:41 PM Unreviewed scoobidiver drop support for Win 2000 from fx13, drop support for fx35, fixed links, removed obsolete section Jun 29, 2012, 1:22:59 AM Approved M Michael Verdi New 160 character search summary Jun 22, 2012, 4:15:28 PM Approved M Swarnava Sengupta added the Share this article template Apr 16, 2012, 1:10:27 PM Approved M Michael Verdi Based on Scoobidiver's edit - removed fx13 section for Win 2K and XP because Fx 13 won't install on those systems. Also removed Win 98/Me section (only .01% visits combined) Apr 14, 2012, 4:29:51 AM Unreviewed scoobidiver links to new articles, OX 10.4 is for fx4 and above Apr 13, 2012, 7:25:37 AM Unreviewed scoobidiver Windows 2000/XP SP1 no longer works from Fx 13 Feb 24, 2012, 6:26:17 AM Approved M scoobidiver right TenFourFox official home page, fork instead of clone Jan 30, 2012, 5:46:02 AM Approved M AliceWyman I did a search but couldn't find any reason for adding the "Firefox will not start after cleaning the registry" section so I removed it - see Discussion Jan 29, 2012, 10:51:48 PM Unreviewed AliceWyman edit to last revision on restoring Windows after cleaning the registry Jan 29, 2012, 10:48:19 PM Reviewed AliceWyman Added infor under "after updating" and edited "after cleaning the registry" to suggest Windows System Restore" instead of reinstalling Windows. Jan 29, 2012, 4:43:45 PM Approved M Underpass better remarking the potential loss of data Jan 27, 2012, 7:14:59 AM Approved M AliceWyman Firefox will not start on OS X 10.4 or earlier or with a PowerPC processor" - edits to clarify that the section also covers 10.5 with PPC Jan 26, 2012, 6:37:16 AM Approved M Michael Verdi incorporated the .com to .org changes; split out the windows and mac options for older machines and updated them a bit Nov 2, 2011, 3:10:04 AM Reviewed scoobidiver anchor less ugly, mozilla.com replaced by mozilla.org Oct 24, 2011, 3:57:37 AM Approved M AliceWyman linked "Mozilla Crash Reporter" text to http://kb.mozillazine.org/Breakpad#Mozilla_Crash_Reporter Oct 23, 2011, 7:00:56 PM Unreviewed AliceWyman added link under "Mozilla Crash Reporter" section. Oct 6, 2011, 3:31:21 AM Approved M scoobidiver added keywords Sep 29, 2011, 3:51:27 PM Approved M scoobidiver removed interfering program heading, reworded computer restart suggestion Sep 25, 2011, 6:08:09 PM Unreviewed scoobidiver dismissable errors, crash as first section, other error messages, note instead of warning Sep 17, 2011, 6:08:51 PM Approved M scoobidiver registry cleaner, new keyword Sep 13, 2011, 7:03:49 PM Unreviewed scoobidiver XULRunner error, no start after updating Sep 13, 2011, 3:20:39 AM Unreviewed scoobidiver cleanup, reorganized sections, PowerPc case Dec 24, 2010, 8:01:09 AM Approved Tonnes Extension prevented -> An extension prevented, small markup nits Dec 20, 2010, 11:52:46 PM Approved Chris Ilias add explanation behind rebooting Dec 19, 2010, 8:10:23 AM Approved M AliceWyman added section for restarting computer - https://support.mozilla.com/en-US/forums/knowledge-base-articles/704753 Nov 14, 2010, 6:04:42 AM Approved M AliceWyman Added a note as a first step, to restart the computer. See https://support.mozilla.com/forums/contributors/704777 Jun 21, 2010, 8:31:20 PM Approved Svetlana Added Ctrl + Alt + Del key combination to open Task Manager note Compare Selected Revisions You are about to mark this revision as Ready for Localization. Are you sure you wish to proceed? Submit Cancel Document contributors AliceWyman Chris Ilias Underpass Tonnes Michele Rodaro Svetlana Michael Verdi scoobidiver Andrew Swarnava Sengupta Mozinet