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Firefox continually crashes in Sierra

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Upgraded to OS X Sierra. Started Firefox and it crashed about 30 seconds after starting. Tried to restart it. Same thing. Problem continues every time I try to start it. Tried starting it in Safe Mode. Same thing. Tried refreshing it. Same thing. Uninstalled and did a clean install. Same issue. Followed every procedure I could find and nothing seems to work. Kind of wondering what's going on and how I can fix it so I can ditch Safari (useless POS browser)

Not very technical btw.

Thoughts?

Upgraded to OS X Sierra. Started Firefox and it crashed about 30 seconds after starting. Tried to restart it. Same thing. Problem continues every time I try to start it. Tried starting it in Safe Mode. Same thing. Tried refreshing it. Same thing. Uninstalled and did a clean install. Same issue. Followed every procedure I could find and nothing seems to work. Kind of wondering what's going on and how I can fix it so I can ditch Safari (useless POS browser) Not very technical btw. Thoughts?

Additional System Details

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36

More Information

FredMcD
  • Top 10 Contributor
4351 solutions 61154 answers

Start your Computer in safe mode with networking. Then start Firefox. Try Safe websites. Is the problem still there?

Starting The Computer In Safe Mode;
Free Online Encyclopedia


In the address bar, type about:crashes<enter>. Note: If any reports do not have BP in front of the numbers/letters, click it to Submit them.

The crash report is several pages of data. We need the report numbers to see the whole report.

Using your mouse, mark the most resent 7 - 10 crash reports, and copy them. Now go to the reply box below and paste them in.

(Please don't take a screenshot of your crashes, just copy and paste the IDs. The below image is just an example of what your Firefox screen should look like.)

aboutcrashesFx29

If you can't get Firefox to open, you will have to do this the hard way. https://support.mozilla.org/en-US/kb/mozillacrashreporter Open the file browser / explorer on your computer. Note: You may have to enable Show Hidden Folders / Files. Enter this in the address bar;

Windows: %APPDATA%\Mozilla\Firefox\Crash Reports\submitted Win 7/Vista: C:\Users\<username>\AppData\Roaming\Mozilla\Firefox\Crash Reports\submitted Win XP/2000: C:\Documents and Settings\<username>\Application Data\Mozilla\Firefox\Crash Reports\submitted

Mac OS: /Users/<username>/Library/Application Support/Firefox/Crash Reports/submitted Linux: /home/<username>/.mozilla/firefox/Crash Reports/submitted

Copy the last 5-7 Recent File Names in the folder. Post the information in the reply box below.

Start your '''Computer''' in safe mode with networking. Then start Firefox. Try '''Safe''' websites. Is the problem still there? '''[http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting The Computer In Safe Mode;<br>Free Online Encyclopedia]''' -------------------- In the address bar, type '''about:crashes'''<enter>.''' Note:''' If any reports do not have '''BP''' in front of the numbers/letters, click it to Submit them. '''The crash report is several pages of data.''' '''We need the report numbers to see the whole report.''' Using your mouse, '''mark''' the most '''resent 7 - 10''' crash reports, and '''copy''' them. Now go to the reply box below and '''paste''' them in. (Please don't take a screenshot of your crashes, just copy and paste the IDs. The below image is just an example of what your Firefox screen should look like.) ;[[Image:aboutcrashesFx29|width=500]] ----------------- If you can't get Firefox to open, you will have to do this the hard way. '''https://support.mozilla.org/en-US/kb/mozillacrashreporter''' Open the file browser / explorer on your computer. '''Note:''' You may have to enable '''Show Hidden Folders / Files.''' Enter this in the address bar; '''Windows:''' %APPDATA%\Mozilla\Firefox\Crash Reports\submitted '''Win 7/Vista:''' C:\Users\'''<username>'''\AppData\Roaming\Mozilla\Firefox\Crash Reports\submitted '''Win XP/2000:''' C:\Documents and Settings\'''<username>'''\Application Data\Mozilla\Firefox\Crash Reports\submitted '''Mac OS:''' /Users/'''<username>'''/Library/Application Support/Firefox/Crash Reports/submitted '''Linux:''' /home/'''<username>'''/.mozilla/firefox/Crash Reports/submitted Copy the last '''5-7 Recent File Names''' in the folder. Post the information in the reply box below.

Question owner

Managed to get them before Firefox crashed out:

bp-d166c9c7-99d8-4bb4-8f73-243ce2161030 2016-10-30 10:18 AM bp-b18ff5ad-b20b-4530-9cc9-836f02161030 2016-10-30 9:44 AM bp-28d10891-419d-413b-a4ba-fa8ae2161030 2016-10-30 12:54 AM bp-f8231217-2a0c-437d-bf71-47a9f2161030 2016-10-30 12:48 AM bp-76806514-c294-4032-8ad6-766612161030 2016-10-30 12:41 AM bp-536d19e4-cec1-477b-8269-152ff2161030 2016-10-30 12:41 AM bp-3516b973-b9e4-448d-af14-029472161030 2016-10-30 12:40 AM bp-38a0f079-f095-4788-bfc4-ebdd02161030 2016-10-30 12:25 AM bp-3fecd5f0-ae04-42fc-b219-7d1532161030 2016-10-30 12:21 AM bp-403388a6-81ab-4465-9397-422722161030 2016-10-30 12:11 AM bp-d13303c8-8d0e-4920-9163-9516c2161030 2016-10-29 11:58 PM bp-840597ea-57e3-41f5-a849-ee9f62161030 2016-10-29 11:54 PM bp-20ec0e2d-90ab-4816-939e-757a02161030 2016-10-29 11:49 PM bp-fe8f303d-3a79-49af-9e78-fdd062161030 2016-10-29 11:48 PM bp-4ce7e697-0b8b-4048-9395-ab5d12161030 2016-10-29 11:44 PM 316FCEEA-9DAF-43E7-8DBA-E40E276B690D 2016-10-29 11:40 PM F0CBFC4E-B33E-420F-AA00-6A55D001D821 2016-05-23 11:12 PM 0893FFE3-4E29-4B40-998F-E9D3260831BA 2016-01-19 1:54 PM bp-6eb6d1ac-4f15-42b1-af54-be9802150830 2015-08-29 8:39 PM

I noticed a problem trying to do it the harder way though. Under /User/<username>/Library/Application Support/ there is no folder for Firefox or Mozilla. Even showing hidden files reveals nothing.

When I look under /User/<username>/Library/ there is also no folder for Firefox and the one for Mozilla only contains a single file: Global.regs.

I tried to do a clean install again and no new files were added in those folders. Just for posterity and to cover all of my bases, I also downloaded and installed the beta version of Firefox 50.0b11. That also didn't work. Going back to 49.0.02 didn't work either.

Managed to get them before Firefox crashed out: bp-d166c9c7-99d8-4bb4-8f73-243ce2161030 2016-10-30 10:18 AM bp-b18ff5ad-b20b-4530-9cc9-836f02161030 2016-10-30 9:44 AM bp-28d10891-419d-413b-a4ba-fa8ae2161030 2016-10-30 12:54 AM bp-f8231217-2a0c-437d-bf71-47a9f2161030 2016-10-30 12:48 AM bp-76806514-c294-4032-8ad6-766612161030 2016-10-30 12:41 AM bp-536d19e4-cec1-477b-8269-152ff2161030 2016-10-30 12:41 AM bp-3516b973-b9e4-448d-af14-029472161030 2016-10-30 12:40 AM bp-38a0f079-f095-4788-bfc4-ebdd02161030 2016-10-30 12:25 AM bp-3fecd5f0-ae04-42fc-b219-7d1532161030 2016-10-30 12:21 AM bp-403388a6-81ab-4465-9397-422722161030 2016-10-30 12:11 AM bp-d13303c8-8d0e-4920-9163-9516c2161030 2016-10-29 11:58 PM bp-840597ea-57e3-41f5-a849-ee9f62161030 2016-10-29 11:54 PM bp-20ec0e2d-90ab-4816-939e-757a02161030 2016-10-29 11:49 PM bp-fe8f303d-3a79-49af-9e78-fdd062161030 2016-10-29 11:48 PM bp-4ce7e697-0b8b-4048-9395-ab5d12161030 2016-10-29 11:44 PM 316FCEEA-9DAF-43E7-8DBA-E40E276B690D 2016-10-29 11:40 PM F0CBFC4E-B33E-420F-AA00-6A55D001D821 2016-05-23 11:12 PM 0893FFE3-4E29-4B40-998F-E9D3260831BA 2016-01-19 1:54 PM bp-6eb6d1ac-4f15-42b1-af54-be9802150830 2015-08-29 8:39 PM I noticed a problem trying to do it the harder way though. Under /User/<username>/Library/Application Support/ there is no folder for Firefox or Mozilla. Even showing hidden files reveals nothing. When I look under /User/<username>/Library/ there is also no folder for Firefox and the one for Mozilla only contains a single file: Global.regs. I tried to do a clean install again and no new files were added in those folders. Just for posterity and to cover all of my bases, I also downloaded and installed the beta version of Firefox 50.0b11. That also didn't work. Going back to 49.0.02 didn't work either.
FredMcD
  • Top 10 Contributor
4351 solutions 61154 answers

Product Firefox Release Channel release Version 49.0.2 Build ID 20161019084923 OS OS X 10.12 OS Version 10.12.1 16B2657

Signature: libFontParser.dylib@0x4e8a5


Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options)
key, and then starting Firefox. A small dialog should appear. Click Start In Safe Mode (not Refresh).

Is the problem still there?

Product Firefox Release Channel release Version 49.0.2 Build ID 20161019084923 OS OS X 10.12 OS Version 10.12.1 16B2657 Signature: libFontParser.dylib@0x4e8a5 -------------------------- Start '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Firefox in Safe Mode]''' {web Link} by holding down the '''<Shift><br> ''(Mac=Options)'' ''' key, and then starting Firefox. A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). Is the problem still there?

Question owner

Started it in safe mode. Same issue.

bp-c190d136-170c-43f5-bc2c-32e252161030 2016-10-30 5:02 PM bp-a8ad2d28-6381-4f89-9d60-a10d62161030 2016-10-30 5:02 PM

Started it in safe mode. Same issue. bp-c190d136-170c-43f5-bc2c-32e252161030 2016-10-30 5:02 PM bp-a8ad2d28-6381-4f89-9d60-a10d62161030 2016-10-30 5:02 PM
FredMcD
  • Top 10 Contributor
4351 solutions 61154 answers

Those crashes are the same. I called for more help.

Those crashes are the same. I called for more help.

Question owner

So, uh....any progress or do I just never use Firefox again?

So, uh....any progress or do I just never use Firefox again?
FredMcD
  • Top 10 Contributor
4351 solutions 61154 answers

I'll call again.

I'll call again.
John99 971 solutions 13138 answers

Sorry I am not a Mac user. I have however often seen crashes related to font issues with Macs.

Maybe these will help

Sorry I am not a Mac user. I have however often seen crashes related to font issues with Macs. Maybe these will help * http://www.macissues.com/2014/04/18/how-to-troubleshoot-font-problems-in-os-x/ * Firefox Font not working after upgrade to macOS Sierra [/questions/1127289#answer-891937] * ''' Multiple applications quit unexpectedly or fail to launch http://www.thexlab.com/faqs/multipleappsquit.html Font Problems'''