"Firefox already open" msg prevents launching browser

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1 has this problem
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Last reply by FredMcD

5 years ago

17/5/2019 02:25

Using with OS 10.12.6 Tried using Refresh Firefox, then was unable to open the browser, with a message "Close Firefox" indicating the a copy as already open. I have tried rebooting, deleting and reloading Firefox, opening in Safe mode, etc, without success.

Help!

Using with OS 10.12.6 Tried using Refresh Firefox, then was unable to open the browser, with a message "Close Firefox" indicating the a copy as already open. I have tried rebooting, deleting and reloading Firefox, opening in Safe mode, etc, without success. Help!