Firefox showing wrong or no bookmark favicon

If Firefox is displaying a wrong or no bookmark favicon in the browser, follow these suggestions: The following instructions will show how you can apply these solutions. 1] Rebuild favicon configuration file Firefox creates a file when you bookmark a page. It is called favicons.sqlite and it resides on your computer. To rebuild or refresh this favicons file, you need to navigate to this path- Before going to this path, you need to unhide hidden files – otherwise, you won’t see the AppData folder. After visiting your profile folder, you need to locate favicons.sqlite and delete this file. After that, open Firefox to create the same favicon configuration file. It should be created automatically. Now, check if all the icons are appearing normally or not. 2] Restart the favicon service If the above-mentioned solution has not done anything for you or you dont see the favicons.sqlite file in the folder, you need to restart the favicon service. This helps when you do not see the correct favicon for your bookmarked pages. To do this, open the Firefox browser, type about:config in the address bar, and hit the Enter button. You should find a warning message. On that page, do select I accept the right button. Search for devtools.chrome.enabled using the search box. By default, the value should be set to False. You need to double-click on this to set the value as True. After that, go to Menu > Web Developer > Browser Console. Alternatively, you can press Ctrl + Shift + J. Now paste the following command in the popup window and hit the Enter button.

Now restart your browser and check if it has solved the issue or not. 3] Disable all add-ons Add-ons are there to enhance the browsing experience and get the feature that is not available by default. However, if you have installed a buggy or spammy add-on, there is a chance of getting such an issue in your browser. There is a simple solution to this problem. You need to disable all the installed add-ons. For that, open the Firefox browser and go to Menu > Add-ons. Alternatively, you can press Ctrl + Shift + A. After that, switch to Extensions section and click the respective Disable buttons. Now restart your browser and check if you can find the favicons or not. 4] Scan PC for adware If your browser or computer is under adware attack, there is a high chance of getting a similar problem. Adware can change or tweak various settings and corrupt different files related to the browser settings. Therefore, you should scan your computer for adware. There are several handy adware removal tools such as Bitdefender Adware Removal Tool, AdwCleaner, etc. You can use any one of them. Don’t forget to clear the browser cache if none of the above suggetsions have worked for you.