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Firefox and Firefox Developer Edition suddenly won't start anymore [MAC]

  • 2 replies
  • 1 has this problem
  • 14 views
  • Last reply by Kumpel

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Dear,

A little time ago i've installed Firefox Developer Edtion for CSS tweaking (my Firefox was already installed) They BOTH worked on several macs (very rarely besides started both) for quit a while.

Suddenly, they both wont start Anymore: Your Firefox profile cannot be loaded. It may be missing or inaccessible (only by Terminal, but after create new profile didn't help)

- The Firefox profile manager is too old and dated 2015, also has a massive screen position bug - Removing 1 Ini (other could not be find) didn't help - Removing App Support Mozilla and Firefox folder and Rebot mac didn't help - Starting with Shift; no profile, create new profile OK - after reboot Firefox same error - Reinstall did'nt help

Could please help me out..??

OSX 10.12.6 Firefox latest version re-installed

Dear, A little time ago i've installed Firefox Developer Edtion for CSS tweaking (my Firefox was already installed) They BOTH worked on several macs (very rarely besides started both) for quit a while. Suddenly, they both wont start Anymore: Your Firefox profile cannot be loaded. It may be missing or inaccessible (only by Terminal, but after create new profile didn't help) - The Firefox profile manager is too old and dated 2015, also has a massive screen position bug - Removing 1 Ini (other could not be find) didn't help - Removing App Support Mozilla and Firefox folder and Rebot mac didn't help - Starting with Shift; no profile, create new profile OK - after reboot Firefox same error - Reinstall did'nt help Could please help me out..?? OSX 10.12.6 Firefox latest version re-installed
Attached screenshots

Chosen solution

For now...... i did solve it myself by completely de-install ALL Firefox versions with MacBooster, then Reinstall them again. For now i only use Firefox Developer

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It sounds that there is a problem with the profiles.ini file and that you aren't able to save changes to this file. Try this to see if you can repair the file system.

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Chosen Solution

For now...... i did solve it myself by completely de-install ALL Firefox versions with MacBooster, then Reinstall them again. For now i only use Firefox Developer