Preferensi tidak tersimpan
Sometimes, your Firefox optionspreferences may not be saved after you change them. For example, you may change a setting in the OptionsPreferences window only to have it set back to its previous value when you open the OptionsPreferences window again. This article may also apply if you find that after upgrading Firefox, a Firefox Updated tab opens to a page stating You’ve been updated to the latest version of Firefox every time you start Firefox. The possible causes and solutions vary depending on whether you are unable to save a few specific preferences or if no preferences save at all. Your problem might also be due to malware. See Troubleshoot Firefox issues caused by malware for more details.
Table of Contents
Reset Firefox to fix the problem
The easiest way to solve this problem is to restore Firefox to its factory default state while saving your essential information. This fixes a wide range of issues. If you'd like to try a more precise fix, skip this section and try the solutions below.
- At the top of the Firefox window, click the menu and select .
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- Click the button in the upper-right corner of the Troubleshooting Information page.
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- To continue, click in the confirmation window that opens.
- Firefox will close and be reset. When it's done, a window will list the information that was imported. Click and Firefox will open.
- At the top of the Firefox window, click the button, go over to the sub-menu
and select . -
- Click the button in the upper-right corner of the Troubleshooting Information page.
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- To continue, click in the confirmation window that opens.
- Firefox will close and be reset. When it's done, a window will list the information that was imported. Click and Firefox will open.
- On the menu bar, click the menu and select .
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- Click the button in the upper-right corner of the Troubleshooting Information page.
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- To continue, click in the confirmation sheet that slides down.
- Firefox will close and be reset. When it's done, a window will list the information that was imported. Click and Firefox will open.
- At the top of the Firefox window, click the menu and select .
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- Click the button in the upper-right corner of the Troubleshooting Information page.
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- To continue, click in the confirmation window that opens.
- Firefox will close and be reset. When it's done, a window will list the information that was imported. Click and Firefox will open.
Resetting preferences file
If you are uncomfortable performing any of the steps below, you may choose to simply reset all preferences, to see if that resolves the problem. See Reset Firefox preferences to troubleshoot and fix problems for detailed instructions. This will restore all Firefox preferences to the default state, except for any settings stored in a user.js file, if one exists.
Specific preferences are not saving
If a specific setting in Firefox keeps resetting or you are unable to change a single setting but other settings save correctly, you may have one of the following issuesthe following issue.
Third-party programs changing Firefox settings
Some programs force Firefox to use certain settings. Below is a list of programs known to do this and actions you can take to make them stop forcing Firefox settings:
- Creative ZenCast changes Firefox's user agent, interfering with Java.
- Uninstall the program.
- McAfee Privacy Service turns Firefox's pop-up blocker off.
- Norton 360 includes a "Firefox Privacy Cleanup" feature that, if enabled, overrides your Firefox Privacy settings and prevents you from keeping your Browsing History, Cookies or other private data between sessions.
- See Firefox Privacy Cleanup for more information on how to disable it.
Some third-party toolbars and add-ons change Firefox's home page and search settings. You can quickly reset these with the SearchReset add-on.
- See Remove a toolbar that has taken over your Firefox search or home page for more information.
User.js file overriding preferences
If you don't have any of the above programs installed, or if you followed the suggestions and single preferences still aren't being saved, you You may have to edit Firefox's configuration files yourself. Don't panic, it's pretty easy. Here's how to do it.
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Open your profile folder:
At the top of the Firefox window, click on the button, go over to the menuOn the menu bar, click on the menuAt the top of the Firefox window, click on the menu and select . The Troubleshooting Information tab will open.
- Under the Application Basics section, click on . A window with your profile filesfolder will open.
- At the top of the Firefox window, click on the button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select
- Open the file user.js with a text editor (like NotepadGedit or KateTextEdit).
- If there is no user.js file, these steps won't help you.
- Remove the lines for the optionspreferences you want to be able to change. You can delete all the lines if you want to be able to change everything.
- Save the file and close the text editor.
You should now be able to change your Firefox settings.
Firefox program file locks or prevents changes to certain preferences
Your installation of Firefox may have been customized to add a program configuration file that locks certain preferences or prevents certain changes from being saved. Follow the Reinstall Firefox step in the Troubleshoot and diagnose Firefox problems article to remove the Firefox program from your computer and then reinstall a new copy of Firefox. (Reinstalling Firefox this way will not remove your user data and settings, since those are saved in a separate location from the program files.)
Unable to save any preferences or settings
If none of your settings will save, if you get the Firefox Updated tab every time you start Firefox, or if you have tried the steps above with no effect, the file which Firefox uses to save your preferences may be locked or corrupted.
Locked preferences file
Firefox may be unable to save your settings if the prefs.js file (or the prefs.js.moztmp file, if it exists) is write-protected or there are other prefs backup files.
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Open your profile folder:
At the top of the Firefox window, click on the button, go over to the menuOn the menu bar, click on the menuAt the top of the Firefox window, click on the menu and select . The Troubleshooting Information tab will open.
- Under the Application Basics section, click on . A window with your profile filesfolder will open.
- At the top of the Firefox window, click on the button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select
- Locate the prefs.js file (and, if present, the prefs.js.moztmp file).
- Right click on each file in turn and select from the context menu. Check that under Attributes, there is no check in the box next to Read Only for either file.
- If RealPlayer is open, that may be locking the prefs.js file. Closing RealPlayer should unlock it.
- Delete any prefs-n.js files where n is a number (e.g. prefs-2.js).
- Delete Invalidprefs.js if it exists.
- Restart Firefox. You should now be able to save preferences.
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Open your profile folder:
At the top of the Firefox window, click on the button, go over to the menuOn the menu bar, click on the menuAt the top of the Firefox window, click on the menu and select . The Troubleshooting Information tab will open.
- Under the Application Basics section, click on . A window with your profile filesfolder will open.
- At the top of the Firefox window, click on the button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select
- Locate the prefs.js file (and, if present, the prefs.js.moztmp file).
- For each file, make sure that your user has write permissions to the file.
- Delete any prefs-n.js files where n is a number (e.g. prefs-2.js).
- Delete Invalidprefs.js if it exists.
- Restart Firefox. You should now be able to save preferences.
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Open your profile folder:
At the top of the Firefox window, click on the button, go over to the menuOn the menu bar, click on the menuAt the top of the Firefox window, click on the menu and select . The Troubleshooting Information tab will open.
- Under the Application Basics section, click on . A window with your profile filesfolder will open.
- At the top of the Firefox window, click on the button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select
- Locate the prefs.js file (and, if present, the prefs.js.moztmp file).
- For each file, hold down the Ctrl key as you click on the file then select .
- Make sure that the Locked option is unchecked.
- Delete any prefs-n.js files where n is a number (e.g. prefs-2.js).
- Delete Invalidprefs.js if it exists.
- Restart Firefox. You should now be able to save preferences.
Corrupt preferences file
The preferences file may be corrupt, preventing Firefox from writing to it. If you delete this file, Firefox will automatically create another one when it needs to.
Here's how to delete the prefs.js file.
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Open your profile folder:
At the top of the Firefox window, click on the button, go over to the menuOn the menu bar, click on the menuAt the top of the Firefox window, click on the menu and select . The Troubleshooting Information tab will open.
- Under the Application Basics section, click on . A window with your profile filesfolder will open.
- At the top of the Firefox window, click on the button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select
- Locate the prefs.js file (and, if present, the prefs.js.moztmp file).
- Delete those files and any prefs-n.js files where n is a number (e.g. prefs-2.js).
- Delete Invalidprefs.js if it exists.
- Restart Firefox. You should now have all your preferences reset.
Based on information from Preferences not saved (mozillaZine KB)
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