I think you're here because you can't solve ask toolbar problem on your own, here is manual way for you.
1.Open Chrome and click the red part, then double click Settings
2.Click Extensions in the left pane and as you can see there are many toolbars, click Remove from Chrome to remove what you don't need.
For Firefox browser, to restore plugin is very easy, just follow our instructions below.
1.Open Firefox, in the menu-bar, select Tools > Add-ons
2.Click Add-ons. The Add-ons Manager page will open.
3.Find the plugin you want to restore, click on Enable on the right side.