|I've been trying to get rid of mywebsearch and search-results for over a year. Scans, regedits, etc, etc, etc.|
Finally found a site that told me how to do it in 30 seconds.
Click the result.
In the window that pops up, change to the search url you prefer, or delete it entirely.
Deleting it entirely, in my case using Firefox, allows a domain name to be typed in the address bar without the .com, etc and will go directly to the website, which I love.