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Reset Firefox To Default

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McAfee Privacy Service turns Firefox's pop-up blocker off. We'll explain two ways to do this. For additional troubleshooting suggestions, see these articles: Troubleshoot and diagnose Firefox problems Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems Reset Firefox preferences to troubleshoot and Table of Contents1 Refresh Firefox to fix the problem2 Specific preferences are not saving2.1 Third-party programs changing Firefox settings2.2 User.js file overriding Firefox settings2.3 Firefox program file locks or prevents changes navigate here

Firefox for Android Web browser for Android smartphones and tablets Firefox for iOS Firefox for iPhone, iPad and iTouch devices Firefox Focus Automatic privacy browser and content blocker. This will remove all your custom settings and settings for many extensions. Delete any prefs-n.js files where n is a number (e.g. Closing RealPlayer should unlock it. https://forums.techguy.org/threads/solved-cannot-get-any-firefox-theme-to-be-default.593822/

Reset Firefox To Default

If it still occurs, continue following the steps in this article. Firefox will not start after installing add-ons If Firefox previously worked but stopped after you installed extensions or themes, see Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox Note: If you have a large number of extensions, it may be quicker to enable more than one extension at a time.

Content available under a Creative Commons license. The user that was used to log in to Windows at startup is still the active one. Firefox previously worked If Firefox previously worked but suddenly doesn't start, it may be due to some corrupt data in your settings. Reinstall Firefox Show Ignored Content As Seen On Welcome to Tech Support Guy!

Error opening file for writing… If you receive the above error when launching Firefox on a Windows system, you may be required by Firefox to log in as an administrator. Firefox Help Menu Make sure that Firefox is installed at the location specified by the shortcut. After you restart Firefox, test for your problem. https://support.mozilla.org/questions/1019704 Add-ons stored in other locations, such as plugins, will not be removed but any modified preferences (such as plugins you have disabled) will be reset.

Click the Refresh Firefox button in the upper-right corner of the Troubleshooting Information page. About:support If you are unable to find the Refresh Firefox button on your version of Firefox, you can also do a manual refresh by creating a new profile. See instructions on how to create a new profile. Solution 2: Delete Firefox preference files Click the menu button , click help and select Troubleshooting Information.

Firefox Help Menu

If the problem no longer occurs with all extensions disabled, one of your extensions was causing it. A refresh can fix many issues by restoring Firefox to its default state while saving your essential information like bookmarks, passwords, and open tabs. Reset Firefox To Default Content available under a Creative Commons license. Firefox Refresh Page You can either reboot the computer or, if you have an administrator account, you can execute the program as an administrator.

You can delete all the lines if you want to be able to change everything. This will help determine whether one of these is causing your problem. Besides resetting all preferences to default values, a Firefox refresh will also fix many other issues, including problems caused by extensions or with data and settings that are stored in other Content available under a Creative Commons license. Refresh Firefox Almost Done

See instructions on how to create a new profile. The refresh feature works by creating a new profile folder for you while saving your important data. Continue following the steps in this article to determine the cause of your problem. About Contact Us Donate Contribute to this site Privacy Cookies Legal Report Trademark Abuse Mozilla: Twitter (@mozilla) Facebook (Mozilla) Instagram (@mozillagram) Firefox: Twitter (@firefox) Facebook (Firefox) YouTube (firefoxchannel) English (US) Sign

Click the menu button , click help and select Restart with Add-ons Disabled.... Troubleshooting Information Locate the prefs.js file (and, if present, the prefs.js.moztmp file). Under the Application Basics section, click on Show FolderOpen FolderShow in FinderOpen Directory.

Click Disable to disable the selected extension.

A window with your profile filesfolder will open.Note: If you are unable to open or use Firefox, follow the instructions in Finding your profile without opening Firefox. Disable all extensions To determine whether a faulty extension is causing your problem, you can disable all of your installed extensions: Click the menu button and choose Add-ons. prefs-2.js). Restart Firefox Click Restart Firefox if necessary.

Select the default theme, then click the Enable button, to make Firefox switch to that theme. If you'd like to try a more precise fix, skip this section and try the solutions below. Under the Application Basics section, click on Show FolderOpen FolderShow in FinderOpen Directory. Firefox program file locks or prevents changes to certain settings Your installation of Firefox may have been customized to add a program configuration file that locks certain settings or prevents certain

Click Finish and Firefox will open. Click the Refresh Firefox button in the upper-right corner of the Troubleshooting Information page. What does the refresh feature do? For the extension that is causing your problem click the OptionsPreferences button.

To test to see if this is the problem, use the Profile Manager to create a new profile. Uncheck Use hardware acceleration when available. Your Firefox profile cannot be loaded. You should now have all your preferences reset.

Table of Contents1 Solution 1: Refresh Firefox2 Solution 2: Delete Firefox preference files Solution 1: Refresh Firefox Note: When using the refresh feature, your bookmarks, browsing history, open tabs, windows, passwords, Switch to the default theme If you are using a theme other than the default Firefox theme: Click the menu button and choose Add-ons. Open your profile folder: Click the menu button , click help and select Troubleshooting Information. After Firefox restarts, your extensions will be updated.

Request to be a Contributor Portions of this content are ©1998–2017 by individual mozilla.org contributors. Click the menu button and then click help . Click here to join today! Under the Application Basics section, click on Show FolderOpen FolderShow in FinderOpen Directory.

I had the Georgia Bulldogs Theme on Firefox 2.0.0.4. The Firefox Safe Mode window includes a Refresh Firefox option. The Add-ons Manager tab will open.