hello, do you get any sort of error message?

I just simply receive a crash window with below content:

Problem signature:

 Problem Event Name:	APPCRASH
 Application Name:	firefox.exe
 Application Version:	71.0.0.7250
 Application Timestamp:	5dc404d0
 Fault Module Name:	StackHash_e323
 Fault Module Version:	0.0.0.0
 Fault Module Timestamp:	00000000
 Exception Code:	c0000005
 Exception Offset:	3fff0039
 OS Version:	6.1.7601.2.1.0.256.4
 Locale ID:	13313
 Additional Information 1:	e323
 Additional Information 2:	e323545db3e93cc1a8921afd1c461f71
 Additional Information 3:	083b
 Additional Information 4:	083b30750c47314ed5f3644f0d4bd8c1

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I have tried with fresh installation of 70 32 bit , even 71 (beta) all crashing for 32 bit. but all end points are working fine till firefox 69.

thanks, then it's likely some external software that is hooking its dlls into the browser process causing this crash.

perhaps it's the same root cause as https://bugzilla.mozilla.org/show_bug.cgi?id=1579758 - could you test if firefox 71 beta is working ok?

Maybe check the Windows Event log to see if there is more detail.

@philip, I am not abl to open firefox at all, is there a way to enable crash report on firefox without opening it?

@cor-el I am receiving the same error as the crash windows: Faulting application name: firefox.exe, version: 70.0.0.7228, time stamp: 0x5da7616b Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000 Exception code: 0xc0000005 Fault offset: 0x3fff0039 Faulting process id: 0x1d84 Faulting application start time: 0x01d599ffc9b7413a Faulting application path: C:\Program Files\Mozilla Firefox\firefox.exe Faulting module path: unknown Report Id: 08b002fa-05f3-11ea-875d-00016cd0c7d7"

I just tried to use portable firefox and the same error happened for me ?! is there any dll files or something which I need to delete to remove the Firefox completely ?

Boot the computer in Windows Safe mode with network support to see if that has effect in case security software is causing problems.

• https://www.bleepingcomputer.com/tutorials/how-to-start-windows-in-safe-mode/
• https://www.7tutorials.com/4-ways-boot-safe-mode-windows-10

I have tried in safe mode , firefox not opening at all ( I can see it is showing in process in task manager and then it is getting vanished. It is not opening at all!