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Firefox crashes after mac Security update 2018-002

  • 3 replies
  • 1 has this problem
  • 1210 views
  • Last reply by FredMcD

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mac os 10.12.6

after mac Security update 2018-002, firefox will not start.

I've tried starting in safe mode; uninstalling; starting in safe mode after clean install.

Nothing works, I get Firefox Quits Unexpectidly error message

Process: firefox [7680] Path: /Applications/Firefox.app/Contents/MacOS/firefox Identifier: org.mozilla.firefox Version: 59.0.2 (5918.3.23) Code Type: X86-64 (Native) Parent Process:  ??? [1] Responsible: firefox [7680] User ID: 2113283777

Date/Time: 2018-04-05 12:43:50.666 -0700 OS Version: Mac OS X 10.12.6 (16G1314) Report Version: 12

Chosen solution

Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

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Chosen Solution

Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

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I re-applied/installed the mac security update, this fixed the issue

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That was very good work. Well done. Please flag your last post as Solved Problem so others will know.