Remove Search.searchitknow.com HIjacker - Get Rid of Searchknow

Infected with Search.searchitknow.com? How frustrated.

If you have Search.searchitknow.com on your computer, you may have the same experience like below:

Hi guys, i tried downloading a download manager and got caught out with a hijacker called searchitknow. I have tried to reset my chrome a few times in the settings but it keeps coming back.