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

Posted

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

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

Additional System Details

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/601.2.7 (KHTML, like Gecko) Version/9.0.1 Safari/601.2.7

More Information

FredMcD
  • Top 10 Contributor
4270 solutions 59898 answers

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

Hello,

In order to better assist you with your issue please provide us with a screenshot. If you need help to create a screenshot, please see How do I create a screenshot of my problem?

Once you've done this, attach the saved screenshot file to your forum post by clicking the Browse... button below the Post your reply box. This will help us to visualize the problem.

Thank you!

You are saying a notice comes up saying this? Is it a separate message, or is Firefox displaying it? Hello, In order to better assist you with your issue please provide us with a screenshot. If you need help to create a screenshot, please see [[How do I create a screenshot of my problem?]] Once you've done this, attach the saved screenshot file to your forum post by clicking the '''Browse...''' button below the ''Post your reply'' box. This will help us to visualize the problem. Thank you!