I have Firefox set to delete cookies when it closes, but everytime it updates it loses this setting, and I am now unware I'm saving cookies. How do I stop this?
Every time Firefox updates it loses my privacy and security settings and reverts back to standard settings. I have it set to delete cookies and site data when it closes. Because of this issue, I am often surfing for months believing cookies and site data are being deleted when they are not. This is a serious security and privacy flaw. It also happens to my homepage settings. I've now learned that when I see the standard Firefox homepage instead of the one I set, that my security settings are also lost.
Is there a way to prevent this from happening? I would imagine this is happening to countless other users who are unaware they no longer have the security settings they've set.
Thanks for your help!
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Hi zeyyix, both of those settings, along with many others, such as your pinned tiles on the Firefox home page, are stored in a file named prefs.js in your profile folder. It sounds as though there is a problem with prefs.js retaining your settings, or perhaps that file is getting removed for some reason.
Firefox will create a new file if you use the Refresh feature. Of course, that also removes your add-ons, so you would notice many more changes.
Some users reported that severe system crashes caused Firefox 67 to generate a new prefs.js file, but presumably you aren't having power outage or blue screen crashes at each update.
The following article lists a range of possible reasons for problems with prefs.js, so please have a look here and see whether it helps: How to fix preferences that won't save.
Back up and restore information in Firefox profiles.{web link} I use an add-on that makes backups of my user profile, Just In Case. Unfortunately, it is not compatible with the current Firefox.
Every now and then, open the profile folder and create a copy of the current profile as is to another location on your hard drive. This way you will have a backup.
If you do this each day, you will not lose much data. This should be done with Firefox Closed.
Note: In case you need to restore from these backups, you may need to overwrite old or corrupted files.