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Home page continues to reset to default

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  • 1 has this problem
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  • Last reply by jscher2000

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Every few days, my firefox homepage settings and options reset to factory defaults. I normally have about 8 pages that open EVERY time i create a new window and its frustrating to have to manually re-add them to the homepage every few days. Same thing with my toolbars - they reset every few days. my default pdf viewer also changes every few days. Bookmarks are still present - just the

I use the 'options' , 'homepage', 'use current pages' to set these up. I am running the latest version 85.0.1. I have seen other threads on this topic and so far none of those suggestions have helped.

Please help.

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https://support.mozilla.org/en-US/kb/update-firefox-latest-version?cache=no Did you update Firefox to the latest version?

Version 85.0.2, first offered to Release channel users on February 9, 2021

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Hmm, those settings are stored in different files in your Firefox profile folder, so it's not just that a single file is failing or being removed:

  • prefs.js: startup/home page(s), toolbar button placement
  • handlers.json: choice between internal PDF viewer vs. system-level default application

What about history or ability to restore a previous session? Is that erased unexpectedly?

Does the data loss appear to be related to system restarts, or do you do a shutdown/restart of Windows more often, without any data loss, or less often, such that data loss occurs between restarts?

I mention Windows restarts because some external utility/privacy software may "clean" your browser data at startup. Programs such as CCleaner and Advanced SystemCare have that behavior (and options to exclude Firefox, I believe).

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