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Firefox (Quantum versions only!) keeps instant crashing on startup even in safe mode

  • 3 replies
  • 1 has this problem
  • Last reply by trelixhe

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Firefox (Quantum versions only!) keeps instant crashing on startup even in safe mode without crash reporter opening. Removed profile and any Firefox related files. Clean install made numerous times. Launching on fresh Administrator user account on affected computer also didn't solve crashing. Also crashes in safe mode. Tried everything. Nothing helps. I have switched to chrome after Firefox Quantum release because of this. I can perfectly run any firefox on virtual Windows 7 and other computers.

I Repeat - crash reporter also won't open. Windows error reporting shows following:

Problem signature:

 Problem Event Name:	APPCRASH
 Application Name:	firefox.exe
 Application Version:
 Application Timestamp:	5d6491ca
 Fault Module Name:	StackHash_312e
 Fault Module Version:
 Fault Module Timestamp:	00000000
 Exception Code:	c0000005
 Exception Offset:	000000006fff0d2a
 OS Version:	6.1.7601.
 Locale ID:	1041
 Additional Information 1:	312e
 Additional Information 2:	312e0f649e68df8b8010198c924de691
 Additional Information 3:	f4d8
 Additional Information 4:	f4d880ebeb2f234431a89ad03725ce9d

Specs are: OS: Win 7 SP1 64 bit CPU: Core I5 3470 RAM: 16GB I have enough space :)

Please help, as chrome is becoming more and more annoying to use and I want to swith back to my beloved Firefox♥

Attached screenshots

All Replies (3)

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I have found the culprit: Comodo Firewall v5.12 Please fix compatibility with this great free firewall. I have used it for years and dont want to abandon it because of Firefox. I will rather use Chrome untill you fic compatibility issues. New versions of Comodo are slow and full of unneded bloatware.

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Screenshot of firewall window, so you know about exactly which firewall I am talking about. I'd ask Comodo team also, but this is an old version no one would waste time to improve. You can easily fix basic compatability issues I am sure. I am using 64 bit version of this awesome firewall.

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Here are links for 32 bit and 64 bit versions of this firewall in case you cant find the old version. They are checked in totalvirus and are safe ;)

32 bit:

64 bit - I use this version.

I just love this firewall, please understand it. If you try it you will also love it.