Unable to delete profiles with the new profile system. How do I remove them?
I have used the new and old profile system, and I use Firefox Nightly. On one of my profiles I am unable to delete profiles created with the new profile system.
When I use Manage profiles and click the delete icon I get about:deleteprofile but clicking the Delete button nothing happens. The display doesn't change, no message appears in the browser console, and the profile doesn't get deleted.
This is running Firefox Nightly 153.0a1. When I use Firefox 151 on the same system (different profile) the delete works fine. When I use the same version of Firefox Nightly on a different system about:deleteprofile works fine.
Both computers are running Ubuntu 24.04.4 LTS. The new profiles don't show up in about:profiles. I now have several profiles I can't delete following the instructions from https://support.mozilla.org/en-US/kb/profile-management#w_delete-a-profile . Most of them I created, closed the window, and immediately tried to delete.
Following the instructions from https://support.mozilla.org/en-US/questions/1572980 and https://bugzilla.mozilla.org/show_bug.cgi?id=2000125#c4 I looked at the toolkit.profiles.storeID preference. The preference is the same in the child profiles as in the original profile.
I tried starting the original profile in Troubleshoot Mode. That had no effect on the behavior.
Все ответы (2)
Hi B.J.,
Thanks for the detailed report, which is super helpful. Since deleting the profile works in Firefox 151 on the same system, and also works in the same Nightly version on another Ubuntu system, this sounds like it may be a Nightly-specific regression.
A few things you can try/check:
1. Make sure you’re not trying to delete the profile you’re currently using. Firefox generally can’t delete the active profile while it’s running.
2. Try launching Nightly from a different profile first, then delete the affected profile from Manage profiles.
3. Since this is happening in Nightly and `about:deleteprofile` does nothing, I’d recommend filing a Bugzilla report if you haven’t already. Please include:
- Firefox Nightly version/build ID
- Ubuntu version
- Whether the affected profiles were created from the new profile manager
- The fact that Firefox 151 can delete profiles on the same system
- The `toolkit.profiles.storeID` behavior you already checked
For now, I’d avoid manually deleting profile folders unless you’re sure which profile directory belongs to which profile and you have a backup. The new profile system is separate from the classic `about:profiles` experience, so manual cleanup can be risky if the profile doesn’t appear there.
Since you’ve already done a lot of the right troubleshooting, this is probably worth escalating as a bug rather than continuing to troubleshoot only from SUMO.
Thank you for the reply.
- I'm not trying to delete the profile I launched.
- When I create a new profile with the old profile manager I can then create and delete new profiles.
- I will create a bug report (but not today).
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