Courtney Love did not authorize that Hellish Guitar Hero version of her dead husband that she authorized, for money—it's all Dave Grohl's fault and she's going to sue and she wants a British journalist to rape him.
Courtney Love and Dave Grohl love money more than their dead husband and bandmate, so Love let Activision include his image and Grohl let them use his music in Guitar Hero, where people make him sing Bon Jovi songs.