Yesterday I posted a tip which involves updating your Firefox about:config settings. This data is essentially the registry of your Firefox install as it controls many aspects of how the browser behaves. So if you are going to do some experimentation with these settings, it is important to have a backup just in case.
This article walks you through the process of both backing up and restoring your Firefox about:config data. Alternately, if you want to restore the original default settings, this article walks you through it.
Better safe than sorry.
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