How do I delete 'do-search'?

Other Dave Perry posting (https://support.avg.com/answers?id=906b0000000D2nUAAS).
AVG Guru

You advised me to right click Google Chrome and delete 'do-search' from address, unfortunately do-search did not show in address. I use Windows 8, please help as I'm concerned that d0-search can corrupt my competer.

Other Dave Perry posting (https://support.avg.com/answers?id=906b0000000D2nUAAS).
AVG Guru