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Reset Firefox preferences to troubleshoot and fix problems
Revision 124961:
Revision 124961 by Chris_Ilias on
Revision 187626:
Revision 187626 by AliceWyman on
Keywords:
restore original options
restore original options
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When troubleshooting Firefox problems, resetting user preferences can be helpful in pinpointing the issue. This article explains how to do it.
When troubleshooting Firefox problems, resetting user preferences can be helpful in pinpointing the issue. This article explains how to do it.
Content:
Resetting preferences (zoom, tabs, privacy, network, encryption, updates, where to save file downloads, etc.) is one of many procedures that can be helpful in [[Troubleshoot and diagnose Firefox problems|troubleshooting Firefox problems]]. We'll explain two ways to do this.
*If changes to preference settings are not saved when you restart Firefox, see [[Preferences are not saved]].
__TOC__
= Solution 1: Refresh Firefox =
[[Template:resetnote]]
[[Template:resetsteps]]
=Solution 2: Delete Firefox preference files=
#[[Template:OpenProfileFolder]]
#[[Template:closeFirefox]]
#Locate and delete the file {filepath prefs.js} (or rename it, for example, to ''prefs.jsOLD'', to keep the old file as a backup). If you find more than one, a {filepath prefs.js.moztmp} file or a {filepath user.js} file, delete (or rename) these as well.
#You can close the profile folder and open Firefox now.
Resetting preferences (zoom, tabs, privacy, network, encryption, updates, where to save file downloads, etc.) is one of many procedures that can be helpful in [[Troubleshoot and diagnose Firefox problems|troubleshooting Firefox problems]]. We'll explain two ways to do this.
*If changes to preference settings are not saved when you restart Firefox, see [[Preferences are not saved]].
__TOC__
= Solution 1: Refresh Firefox =
The refresh feature restores Firefox to its default state while saving your essential information. This solution will reset preferences but will also remove other customizations, including added [[Find and install add-ons to add features to Firefox|extensions and themes]]. For more information, see [[Refresh Firefox - reset add-ons and settings]].
=Solution 2: Delete Firefox preference files=
#[[Template:OpenProfileFolder]]
#[[Template:closeFirefox]]
#Locate and delete the file {filepath prefs.js} (or rename it, for example, to ''prefs.jsOLD'', to keep the old file as a backup). If you find more than one, a {filepath prefs.js.moztmp} file or a {filepath user.js} file, delete (or rename) these as well.
#You can close the profile folder and open Firefox now.