I am guilty of making sure nothing else was forced fed on me while doing a new install of Chrome (I know this forum is about FF .. read more..), I used the classic maneuvers from regedit etc.. works OK but no way to remove it from new tabs in FireFox.
I made a lot of searches and finally got it done without D-loading more pest killers!
If you visit the following link you will get a bunch of detailed explanations about removing Trovi that WORKED WELL :)
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deletemalware.blogspot.com...]