If none of these solutions work, uninstall Chrome and its remaining files. After that, reinstall a fresh copy. Google is the ...

You can manually change the default search engine in Chrome's settings to your preferred one. Remove Bing by setting another ...

(Alternatively, enter chrome://extensions in the address bar.) Uninstall unwanted extensions by clicking on their Remove button. These extensions are fairly standard, so they get to stay on this PC.

In Settings right click and select Remove from Chrome or go to Manage extensions to remove the extension.