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Firefox is acting like it just installed every morning when I wake up. It loses privacy settings, homepage, and shows the welcome to firfox and firefox start.

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Firefox is acting like it just installed every morning when I wake up. It loses privacy settings, homepage, and shows the welcome to firfox and firefox start.

It also loses some of the addons, like personas. I have tried resetting firefox and deleting the prefs.js. There are none of the other files mentioned in the article about how to fix firefox not saving settings. Every new day it starts up with the Welcome to Firefox and Mozilla Firefox Start Page instead of my homepage EVEN after I've set up my homepage and it remembers it.

Once I have saved the settings they are remembered for the rest of that day, but when I wake up the next day, POOF!, firefox forgets what I did. I does remember stuff like my bookmarks, history, and pinned tabs, but it doesn't remember my privacy settings for it not to suggest things in the address bar from my history and bookmarks.

As of the time of this message, I have not redone my settings so the troubleshooting information is from the state firefox is in when I first open it of a morning. What the heck is going on?

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Site Moderator

Re: Firefox is acting like it just installed every morning when I wake up. It loses privacy settings, homepage, and shows the welcome to firfox and firefox start.

Which security software (firewall, anti-virus) do you have?

Some security software has virtualization or sandbox features that may cause problems by protecting and restoring files in the Firefox profile folder.


Create a new profile as a test to check if your current profile is causing the problems.

See "Creating a profile":

If the new profile works then you can transfer some files from an existing profile to the new profile, but be careful not to copy corrupted files.

2 REPLIES
Site Moderator

Re: Firefox is acting like it just installed every morning when I wake up. It loses privacy settings, homepage, and shows the welcome to firfox and firefox start.

Which security software (firewall, anti-virus) do you have?

Some security software has virtualization or sandbox features that may cause problems by protecting and restoring files in the Firefox profile folder.


Create a new profile as a test to check if your current profile is causing the problems.

See "Creating a profile":

If the new profile works then you can transfer some files from an existing profile to the new profile, but be careful not to copy corrupted files.

New Contributor

Re: Firefox is acting like it just installed every morning when I wake up. It loses privacy settings, homepage, and shows the welcome to firfox and firefox start.

I use AVG antivirus, but the new profile fixed the problem. The only data I transferred after that was my bookmarks and my saved passwords. I am going to delete the old profile. Thank you for helping me figure this out.