Mozilla Firefox crashes at startup without any crash message or error whatsoever.
Today, when I double-clicked the Mozilla Firefox icon, the window popped up for one second and then the next instant moment it suddenly disappeared. I cannot access Firefox, not even in Safe Mode, Compatibility Mode, Run As Administrator or any other modes. Tried re-installation, did not work. I do not get any crash message, it simply quits by itself. Firefox.exe appears in the Task Manager when I double-click it in Windows Explorer, and it disappears when the window disappears, the next instant moment. I have Windows 7 Professional 64-bit. Never encountered this sort of problem before.
There is no crash report, the crash window does not pop up, thus no crash report is generated. I cannot access the Troubleshooting Information, as I cannot operate from inside Firefox.
Penyelesaian terpilih
I managed to find the issue. Apparently, an add-on installation page was starting up by default in my browser, for some reason, and it repeatedly closed itself, thus closing the browser. When I opened a HTML document on my hard drive, it opened it in a new tab, and kept that add-on page open in another tab. So Mozilla stayed open. But when I switched to the add-on tab, the tab closed itself. But Mozilla remained open! Yay!
Tried also to hit History - Recently Closed Tabs to reopen that page, but it keeps closing itself, so I don't know what add-on would that be. Anyway, now I managed to fix it, because the Tab is closed, so hopefully my home-page will pop up next, instead of this thing with the add-on.
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Windows Safe Mode, or the Firefox SafeMode??
Hold the Shft when going to launch Firefox - that is how to enter the Firefox SafeMode when you can't access the Help menu.
See if that works.
Firefox Safe Mode, that's what I was talking about. And no, it does not work. As I said, already tried.
Please perform the following steps to give us a crash report ID that helps us find out more about the cause of the crash.
- Press the following shortcut to get a Run window: [Windows] + [R]. This should bring up a window that contains a text field.
- In that text field, enter %APPDATA% and press Enter. An explorer window should open.
- From that explorer window, double-click on the Mozilla folder, then double-click on Firefox and then on Crash reports. Double-click on submitted.
- Now, you should see a list of files that contain reports. Go to View > Arrange Icons by > Modified to get the most recent files at the top of the window.
- Open the most recent 5 files with a text editor and copy the IDs.
- Paste each ID into the reply window on the forums.
You can find more information and troubleshooting steps in the Troubleshoot Firefox crashes (closing or quitting unexpectedly) article.
There is no Crash Report, because no Mozilla Crash Reporter pops up. The only file I have there is an old Crash Report, from several months ago. I already said this in the Original Post. Y U No Read?
You checked that there weren't any newer Crash Report ID's in the folder?
And you read this - https://support.mozilla.org/en-US/kb/firefox-crashes-troubleshoot-prevent-and-get-help
YES, I DID, I JUST SAID THERE IS ONLY ONE FILE THERE! AND I READ THAT TOPIC YOU LINKED TO WAY BEFORE I SUBMITTED MY INITIAL QUESTION.
A possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
See also:
That's not the case. I just tried doing that and it still doesn't work. Thank you for bringing up the first possible issue, though.
Penyelesaian Terpilih
I managed to find the issue. Apparently, an add-on installation page was starting up by default in my browser, for some reason, and it repeatedly closed itself, thus closing the browser. When I opened a HTML document on my hard drive, it opened it in a new tab, and kept that add-on page open in another tab. So Mozilla stayed open. But when I switched to the add-on tab, the tab closed itself. But Mozilla remained open! Yay!
Tried also to hit History - Recently Closed Tabs to reopen that page, but it keeps closing itself, so I don't know what add-on would that be. Anyway, now I managed to fix it, because the Tab is closed, so hopefully my home-page will pop up next, instead of this thing with the add-on.