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Firefox rejects to use my old profile

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Hello there, I've came across some weird issue. I reinstalled Linux Mint on my device and installed FF Developer Edition (moved the unpacked archive to /opt). Then created new profile and set its folder to my old backed-up one (that I moved to ~/.mozilla/firefox/).

The problem is that the browser doesn't want to use this newly created profile, and even if I force it to use this profile (running with -P flag and set that profile as default), after rebooting application without the -P flag, it creates new profile with brand new folder and launch with this profile as default.

I tried moving all the backed-up files to this newly created folder and in result FF rejected to use this profile as well and created another one. I was also playing around with chmod but seems like it's not the case either.

Anyone knows what it might be related to or how to fix this issue?

Hello there, I've came across some weird issue. I reinstalled Linux Mint on my device and installed FF Developer Edition (moved the unpacked archive to /opt). Then created new profile and set its folder to my old backed-up one (that I moved to ~/.mozilla/firefox/). The problem is that the browser doesn't want to use this newly created profile, and even if I force it to use this profile (running with -P flag and set that profile as default), after rebooting application without the -P flag, it creates new profile with brand new folder and launch with this profile as default. I tried moving all the backed-up files to this newly created folder and in result FF rejected to use this profile as well and created another one. I was also playing around with chmod but seems like it's not the case either. Anyone knows what it might be related to or how to fix this issue?

All Replies (2)

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Firefox can only use profiles that are registered in the profiles.ini file. Copying a profile isn't sufficient, you need to edit profiles.ini and add this profile. Alternatively you can use the Profile Manager to create a new profile and browse to this unregistered profile that isn't listed in the Profile Manager.

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My profiles.ini file looks like this

[General] StartWithLastProfile=1

[Profile0] Name=dan IsRelative=1 Path=wydke8jj.dev-edition-default Default=1

[Profile1] Name=dev-edition-default IsRelative=1 Path=14gtzbhp.dev-edition-default


Where Profile0 is the one I've created at the very beginning, and which uses my old profile folder, and Profile1 is this profile that browser created automatically once I had opened Firefox without Profile Manager, so after I actually set Profile0 up to work.

Even though Profile0 has Default=1, browser seems to ignore it, and treat Profile1 as the default one at the startup. Removing Profile1 register in profiles.ini results only in creating another blank "dev-edition-default" profile with its new folder at the startup.

Is there anything I am missing?