How to remove Chrome extension?

[Bacalao]

You might be able to disable it if you type chrome://plugins on your search bar.
You might be able to remove it if you type chrome://extensions on your search bar.

If that doesn't work, most likely you have a browser hijacker.
AdwCleaner is probably the best thing you can use to try to remove it.
http://www.majorgeeks.com/files/details/adwcleaner.html
If that doesn't work, try Malwarebytes Anti-Malware:
http://www.majorgeeks.com/files/details/...lware.html

If that doesn't work, go to Settings > Show advanced settings... > Reset browser settings

Worst case scenario,
1) Uninstall Google Chrome.
2) Delete the following folder on your computer:
%USERPROFILE%\AppData\Local\Google
3) Re-install Google Chrome.