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Firefox won't start, can't work out why

Having some trouble with Firefox and I'm at my wits end on how to fix it. Clicking the Firefox icon in Windows 10 (whether that's in the Start menu, the taskbar or the ap… (閱讀更多)

Having some trouble with Firefox and I'm at my wits end on how to fix it. Clicking the Firefox icon in Windows 10 (whether that's in the Start menu, the taskbar or the app itself in Program Files) won't launch Firefox. The blue loading spinner appears briefly next to the pointer, then disappears. Sometimes a Firefox process appears in Task Manager then instantly disappears, but sometimes it doesn't. Here's what I've tried so far:

- Restarting - Reinstalling - Deleting my Firefox profile and all Firefox app files - Launching in safe mode by holding shift - Launching in safe mode by adding the "-safe-mode" comment - Running as administrator - Checking it's not being blocked by antivirus - Loading the Firefox profile manager by typing "firefox.exe -P" in the run dialog box. This does the same as trying to load Firefox - nothing happens

I can't think what else to do. It may be a coincidence, but my primary monitor died, I restarted the PC and then Firefox wouldn't work. I can't see how it could be related, but who knows.

Anyway, any help would be greatly appreciated!

alexblake2 於 9 個月前 詢問

philipp 於 9 個月前 解答

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Yesterday Firefox started to immediately crash on startup

Like the Title says, Firefox started to crash on startup. When I try to start Firefox I get the windows massage "Firefox stopped working" with the following details: Prob… (閱讀更多)

Like the Title says, Firefox started to crash on startup. When I try to start Firefox I get the windows massage "Firefox stopped working" with the following details:

Problemsignatur:

 Problemereignisname:	APPCRASH
 Anwendungsname:	firefox.exe
 Anwendungsversion:	71.0.0.7275
 Anwendungszeitstempel:	5de4f320
 Fehlermodulname:	StackHash_8867
 Fehlermodulversion:	0.0.0.0
 Fehlermodulzeitstempel:	00000000
 Ausnahmecode:	c0000005
 Ausnahmeoffset:	000000003722012a
 Betriebsystemversion:	6.1.7601.2.1.0.256.1
 Gebietsschema-ID:	1031
 Zusatzinformation 1:	8867
 Zusatzinformation 2:	886729e84bb05c15f1d466676a664448
 Zusatzinformation 3:	c433
 Zusatzinformation 4:	c4330bc0c0f3791a31bfa79ebbc414a6

I used Firefox for Years without Problem and Have no idea why it doesn't work anymore. Removing and reinstalling Firefox didn't help.

sallythecat 於 9 個月前 詢問

jscher2000 於 9 個月前 解答

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unable to start firefox

Hello! For the last few days my Firefox browser is unable to start. I have tried reinstalling it, turning off antivirus/firewall and cleaning up the registry but it is st… (閱讀更多)

Hello!

For the last few days my Firefox browser is unable to start. I have tried reinstalling it, turning off antivirus/firewall and cleaning up the registry but it is still the same results every time.

When looking into the event viewer this is what it says:

Faulting application name: firefox.exe, version: 71.0.0.7275, time stamp: 0x5de4f320 Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000 Exception code: 0xc0000005 Fault offset: 0x00007ff9134c012a Faulting process id: 0x2c10 Faulting application start time: 0x01d5ab45c9a82230 Faulting application path: C:\Program Files\Mozilla Firefox\firefox.exe Faulting module path: unknown Report Id: faf0ebdb-aa0c-4fd3-890c-f15dd9482c76 Faulting package full name:

When started it briefly shows up in the task manager but quickly vanishes and I am unable to start it in any way, even in safe mode.

Appreciate any help concerning this matter! /Jenny

jennyrydhammer81 於 9 個月前 詢問

philipp 於 9 個月前 解答

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Firefox crashes after start, no error shown.

I'm using firefox developers edition, and after one of the updates (unsure which one) it does not restarted after updating. After I click on Firefox icon I can see two fi… (閱讀更多)

I'm using firefox developers edition, and after one of the updates (unsure which one) it does not restarted after updating. After I click on Firefox icon I can see two firefox processes in task manager, but after some time they just quit, without showing any window or even error message. I tried to enter safe mode by pressing "shift" while starting firefox - no result, processes quit before even showing dialog about entering safe mode. I tried to uninstall & install firefox back - still the same result. I removed profiles in "cd %APPDATA%\Mozilla\Firefox\Profiles\" - still the same. There are two records in windows logs upon each start attempt:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Windows Error Reporting" /> <EventID Qualifiers="0">1001</EventID> <Level>4</Level> <Task>0</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2019-10-22T15:39:08.160403300Z" /> <EventRecordID>106105</EventRecordID> <Channel>Application</Channel> <Computer>Viper</Computer> <Security /> </System> <EventData> <Data /> <Data>0</Data> <Data>APPCRASH</Data> <Data>Нет данных</Data> <Data>0</Data> <Data>firefox.exe</Data> <Data>71.0.0.7233</Data> <Data>5dadf568</Data> <Data>StackHash_1b6d</Data> <Data>0.0.0.0</Data> <Data>00000000</Data> <Data>c0000005</Data> <Data>PCH_39_FROM_IseGuard64+0x0000000000005CC0</Data> <Data /> <Data /> <Data /> <Data>C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_firefox.exe_efd43163517d8ccdc0b1ee250ca1c524446cd_c54af82d_3e0f87a1</Data> <Data /> <Data>0</Data> <Data>173c73da-f8df-4db3-bd97-482820bcb8a4</Data> <Data>100</Data> <Data /> <Data>0</Data> </EventData> </Event>


<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Application Error" /> <EventID Qualifiers="0">1000</EventID> <Level>2</Level> <Task>100</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2019-10-22T15:38:55.407904100Z" /> <EventRecordID>106104</EventRecordID> <Channel>Application</Channel> <Computer>Viper</Computer> <Security /> </System> <EventData> <Data>firefox.exe</Data> <Data>71.0.0.7233</Data> <Data>5dadf568</Data> <Data>unknown</Data> <Data>0.0.0.0</Data> <Data>00000000</Data> <Data>c0000005</Data> <Data>00007ffe882700ea</Data> <Data>414</Data> <Data>01d588eed01a7d37</Data> <Data>C:\Program Files\Firefox Developer Edition\firefox.exe</Data> <Data>unknown</Data> <Data>173c73da-f8df-4db3-bd97-482820bcb8a4</Data> <Data /> <Data /> </EventData> </Event>

I don't even have idea where to start looking for the actual reason.

kotlyar.andrey 於 11 個月前 詢問

FredMcD 於 11 個月前 解答

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Version 71 FF Won't Run

Ever since my first ever use of FireFox the setting to "update" has been set to "Check for updates but let you choose to install them". Yesterday I clicked to accept the … (閱讀更多)

Ever since my first ever use of FireFox the setting to "update" has been set to "Check for updates but let you choose to install them".

Yesterday I clicked to accept the latest update (to 71.0 I think) at which point the programme simply crashed without warning.

I went through various processes to try and resurrect FF, but without success --- FireFox would not run.

I eventually resorted to installing Version 65.0 but, despite the update settings being set as above, Version 71 kept installing and making FF a "non-starter" again.

I made an alteration to the "about:config" which seems to have stopped the automatic updating, albeit the "FF Icon" still wants to function as "Updater" and I get a message (when started) saying FF is unable to update to the latest version - "click here to download etc.," which of course I don't do and FF continues to perform as expected - albeit 65 and not 71.

Is there a problem with Version 71 and (possible) Win 7 64 bit ?

How can I reconfigure the "FF Icon" to simply start the programme (version 65) in the normal way and not get involved with it wanting to update all the time?

Another peculiarity that has arisen is that, when I try to change the Default language from American English to British English I receive a message saying FF cannot change as it is not online. (Version 65 and it is definitely online)

I have carried out system scans for Viruses etc., perform really in-depth un-installations of FF, and no new applications have recently been installed.

Ian 於 9 個月前 詢問

Ian 於 9 個月前 解答