1 - Open Chrome explore.
2 - Click “Customize and control Google Chrome” in the right-top of the page and click "Setting".
3 - Click “Set pages” link of "On startup" ->delete Webssearches homepage link ->click “OK”.
4 - Click "Change" link of "Apperance" ->delete Webssearches homepage link ->click "OK".
4 - Click “Manage search engines”->delete Webssearches,then click “OK”.
5 - Restart Chrome explore.