This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox crushed on close about 50% of the time.

  • 2 replies
  • 7 have this problem
  • 1 view
  • Last reply by cor-el

more options

I receive the following report, the browser can be started again without any problem and will not crash a second time.

Problem signature:

 Problem Event Name:	APPCRASH
 Application Name:	firefox.exe
 Application Version:	27.0.1.5156
 Application Timestamp:	52fc0faa
 Fault Module Name:	xul.dll
 Fault Module Version:	27.0.1.5156
 Fault Module Timestamp:	52fc0f79
 Exception Code:	c0000005
 Exception Offset:	001560c7
 OS Version:	6.1.7601.2.1.0.768.3
 Locale ID:	1033
 Additional Information 1:	a7aa
 Additional Information 2:	a7aa91f17ea749d42a4de3b390fa5b3d
 Additional Information 3:	a7aa
 Additional Information 4:	a7aa91f17ea749d42a4de3b390fa5b3d
I receive the following report, the browser can be started again without any problem and will not crash a second time. Problem signature: Problem Event Name: APPCRASH Application Name: firefox.exe Application Version: 27.0.1.5156 Application Timestamp: 52fc0faa Fault Module Name: xul.dll Fault Module Version: 27.0.1.5156 Fault Module Timestamp: 52fc0f79 Exception Code: c0000005 Exception Offset: 001560c7 OS Version: 6.1.7601.2.1.0.768.3 Locale ID: 1033 Additional Information 1: a7aa Additional Information 2: a7aa91f17ea749d42a4de3b390fa5b3d Additional Information 3: a7aa Additional Information 4: a7aa91f17ea749d42a4de3b390fa5b3d

All Replies (2)

more options

We're sorry to hear that Firefox is crashing. In order to assist you better, please follow the steps below to provide us crash IDs to help us learn more about your crash.

  1. Enter about:crashes in the Firefox address bar and press Enter. A Submitted Crash Reports list will appear, similar to the one shown below.
  2. Copy the 5 most recent Report IDs that start with bp- and paste them into your response here.

SubmittedCrashReports-Win7

Thank you for your help!

More information and further troubleshooting steps can be found in the Troubleshoot Firefox crashes (closing or quitting unexpectedly) article.

_________________________________________________________________________________


Create a new Firefox Profile and give a try

more options

Use "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit) to close Firefox if you are currently doing that by clicking the close X on the Firefox title bar.