Ideally you should be able to find some from your Extensions Page Search. https://addons.mozilla.org/en-US/firefox/tag/yahoo%20uk%20ireland%20search Is one but I am not seeing Compatible with Firefox 57 which is the new Firefox Quantum Browser release Nov 14th So all Extensions must be compatible to the new coding. As is called Legacy now if see any in Extensions. Pages are not being updated to reflect if will work with 57 so will have to take your chance. So Google Firefox UK Search Engines (change UK to full name, change to Britain ...) https://addons.mozilla.org/en-US/firefox/search-tools/ https://support.mozilla.org/en-US/kb/change-your-default-search-settings-firefox Might want to see if you can get a better Video Card Driver as yours are from driverDate: 11-4-2015 All saw on one page was a driver for 32bit so do not know if your 32 or 64bit So check if there is a updated driver for you below. https://support.amd.com/en-us/download Note : Firefox 57 Quantum release date Nov 14th https://www.mozilla.org/en-US/firefox/quantum/ Note : Legacy Extensions will be disabled and or removed. Please let us know if this solved your issue or if need further assistance.