how to remove

DWQA QuestionsCategory: Windowshow to remove
Lorraine asked 4 months ago has recently hijacked by browser, Mozilla. I have searched for all solutions some of which include:
1.Removing any of its details in the registry
2.Removing any of its extensions in the browser
3.Resetting my browser
However when I reset the browser the extensions such as do not appear but the next time I open the browser it appears.
I have also tried on right clicking the icon on the desktop going to properties and tried removing in the target but i have to keep on repeating this process so that may not be my homepage
Please please someone help