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Firefox is constantly crashing on Windows 10

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Firefox 66.0.3 is constantly crashing on Windows 10 64bit. It doesn't matter if I am actively doing something or if it is idle. The frustrating part is there is nothing in about:crashes to indicate why this is happening. I've tried reinstalling, refreshing, etc. to no avail. Any assistance will be greatly appreciated!

All Replies (10)

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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 Submitted crash reports, and copy them. Now go to the reply box and paste them in.

aboutcrashesFx57

For more help on crash reports, see; https://support.mozilla.org/en-US/kb/firefox-crashes-asking-support +++++++++++++++++++++++ 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

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

Copy the most recent 5-7 File Names in the folder. Post the information in the reply box.

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FredMcD, thanks for the input. Unfortunately, this does not give any clues since the only crashes listed are from 2018.

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Please explain the problem in detail. What happens? What is the exact error messages?

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

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That's the problem - there are zero errors. Firefox will just close. It doesn't matter whether I am using it or it is sitting idle. I'll look up and it is no longer running.

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I just started it in safe mode. Will report back to see if this helps diagnose the issue I am experiencing. Thanks for the feedback!

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You may have ad/mal-ware. Further information can be found in this article; https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware?cache=no

Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.


Start your Computer in safe mode with network support. Then start Firefox. Try Secure websites. Is the problem still there?

http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia

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Firefox is crashing even in safe mode. I went through the Windows application logs and found the crashes. It was an exact match to a bug report filed 5 months ago. Here is a link - https://bugzilla.mozilla.org/show_bug.cgi?id=1509748

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Here is the log from the event viewer in Windows: Faulting application name: firefox.exe, version: 66.0.3.7038, time stamp: 0x5cacd558 Faulting module name: PayloadRestrictions.dll, version: 10.0.17763.1, time stamp: 0x7885c70a Exception code: 0xc0000409 Fault offset: 0x000000000003b614 Faulting process id: 0x2564 Faulting application start time: 0x01d5011569320b98 Faulting application path: C:\Program Files\Mozilla Firefox\firefox.exe Faulting module path: C:\WINDOWS\SYSTEM32\PayloadRestrictions.dll Report Id: af8a01e8-693b-4dd8-87bf-00dafdeceb74 Faulting package full name: Faulting package-relative application ID:

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I called for more help.

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A Google search suggest that the PayloadRestrictions.dll file is part of EMET, so you can try to remove Firefox from the ExploitGuard configuration. You can also try to contact Microsoft for support.