Avatar for Username

Cari Bantuan

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Pelajari Lebih Lanjut

Utas ini telah diarsipkan. Silakan membuat pertanyaan baru jika Anda membutuhkan bantuan.

Firefox won't open

  • 2 balas
  • 2 memiliki masalah ini
  • 11 kunjungan
  • Balasan terakhir oleh chris.jantke

kristaln13
kristaln13
more options

After updating my mac, Firefox stopped working so I deleted it and reinstalled. But now when I try to open it, it says "A copy of Firefox is already open. Only one copy of Firefox can be open at a time." Even if I force stop Firefox then try to reopen, then deleted it again and reinstalled, I keep getting this error. :(

After updating my mac, Firefox stopped working so I deleted it and reinstalled. But now when I try to open it, it says "A copy of Firefox is already open. Only one copy of Firefox can be open at a time." Even if I force stop Firefox then try to reopen, then deleted it again and reinstalled, I keep getting this error. :(

Semua Balasan (2)

Eve
Eve
more options

Try opening the Terminal app and pasting this in

cd ~/Library/Application\ Support/Firefox/Profiles/*.default

and finding the lockfile and deleting it by entering this command

rm -rf .parentlock

and then try launching firefox.

chris.jantke
chris.jantke
more options

Hi This fix does not work in my case!

There is no such folder as cd ~/Library/Application\ Support/Firefox

And there's no copy of firefox open.