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Unable to open firefox

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Comes up with "Mozilla Crash reporter" message everytime firefox is opened. Whether pressing restarting firefox or quit firefox the same message appears. Unable to open in safe mode either

Comes up with "Mozilla Crash reporter" message everytime firefox is opened. Whether pressing restarting firefox or quit firefox the same message appears. Unable to open in safe mode either

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Hi,

Please also try opening Firefox in a new profile.

If you have security software (antivirus, firewall etc.) installed, you can try deleting all existing instances of Firefox and related files in all the different configuration areas/modules of the security software. Instead create new allow/trusted rules for Firefox + its related processes. Even otherwise the security software may also ask again when Firefox is started and you can try to allow/trust at that time. Please see this.

AV/Firewalls Configuration