Speedup and Stabilize Firefox by Removing Leftovers of Addons

firefox browserAdd-ons have long been a problem for Firefox browser, especially software bundled add-ons like toolbars. (Mozilla will implement an improved user control over add-ons in its forthcoming Firefox 8 to block unapproved add-ons) Add-ons or extensions can slow down Firefox’s startup and page loading times and often affects its stability. Even if you have removed an add-on, its entries will not be completely removed from the browser and continues to affect startup and stability. It might be a big problem if you try lot of add-ons.

Here is how to remove unnecessary entries left by removed add-ons from Firefox user preferences entries. Though, this is little difficult for some users to identify each add-on’s entries, by carefully looking in the preferences entries anyone can identify and remove them.

Follow the below steps to remove unnecessary entries from Firefox’s about:support preferences entries.

Enter about:support in Firefox’s address bar and hit Enter. Under ‘Application Basics’, click ‘Open Containing Folder’ option to open profile directory and close Firefox.

Firefox-user

In this folder, locate prefs.js and open it with Notepad or any suitable text editor.

Firefox-Preferances

You can see many entries as shown below. If you carefully looking through each line, you can identify which add-on those lines belong to.

Firefox-add-on-entries

If you find any line that matches your removed add-ons, just delete the lines and save.

Kannan is a computer and Android enthusiast, a blogger by passion and a tech freak. His always ready-to-help attitude, knowledge and hard work is what drives him.

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