If your default search engine or homepage has been changed, you are having adware or pop-up ads problems with Mozilla Firefox, resetting it can help. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks and open tabs.
Resetting your browser settings will impact the settings below:
- Default search engine and saved search engines will be reset and to their original defaults.
- Homepage button will be hidden and the URL that you previously set will be removed.
- Default startup tabs will be cleared. The browser will show a new tab when you startup or continue where you left off if you’re on a Firefox book.
- New Tab page will be empty unless you have a version of Firefox with an extension that controls it. In that case, your page may be preserved.
- Pinned tabs will be unpinned.
- Content settings will be cleared and reset to their installation defaults.
- Cookies and site data will be cleared.
- Extensions and themes will be disabled.
How to reset Mozilla Firefox to default settings
- In the upper-right corner of the Firefox window, click the Firefox menu button (), then click on the “Help” () button.
- From the Help menu, choose Troubleshooting Information.
If you’re unable to access the Help menu, type about: support in your address bar to bring up the Troubleshooting information page.
- Click the “Refresh Firefox” button in the upper-right corner of the “Troubleshooting Information” page.
- To continue, click on the “Refresh Firefox” button in the new confirmation window that opens.
- Firefox will close itself and will revert to its default settings. When it’s done, a window will list the information that was imported. Click on the “Finish“.
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