need to install firefox after shutdown
firefox installed x2 after many years of use. have macOS...does not open after turning off Mac - this happened after a blackout but Mac was off at the time...my power backup did scream at me during the night so turned it off.
firefox installed x2 after many years of use. have macOS...does not open after turning off Mac - this happened after a blackout but Mac was off at the time...my power backup did scream at me during the night so turned it off.
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Please explain the problem in detail. What happens? What is/are the exact error message(s) ?
Start Firefox using Troubleshoot(Safe) Mode {web link}
A small dialog should appear. Click Start In Troubleshoot(Safe) Mode (not Refresh). Is the problem still there?