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"Firefox” will damage your computer. You should move it to the Trash.

  • 1 reply
  • 1 has this problem
  • Last reply by FredMcD

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Get this error on my MacBook Pro running El Capitan when trying to open Firefox. It had previously been working fine.

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You are saying a notice comes up saying this? Is it a separate message, or is Firefox displaying it?


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