On MacBook Pro running 10.6.8, Firefox 38.0.5 Homepage has been hijacked to: http://search.oliverto.com/?c=6&v=insMac&t=1506&ap=738820002&r=0124911c54561c1dc85bb88161d5e665&rst=156&z=3 Tried reset of homepage but when computer restarted it reverts back to hijacked oliverto... Tried Refresh and and reset of homepage to https://www.google.com/?gws_rd=ssl When computer and Firefox restarted, Google come up for just an instant, then Firefox crashes. Then when restart Firefox hijack page oliverto... is back. Not a computer genius. Please provide a step by step process to fix this