To uninstall uTorrent browser bar, please look at the top right side just near your address browser, you'll find a small "u" (uTorrent) icon. Right click it and choose "uninstall" from the list.
Manage all your extensions on the Extensions page
Follow these steps to open the Extensions page:
1. Click the Chrome menu on the browser toolbar.
2. Select Tools.
3. Select Extensions.
Remove "uTorrentControl_v2?" and Hit button Remove