Font Book told me that I had duplicate fonts, so I had it disable the duplicates. When I later validated my fonts, I got yellow warnings for the fonts with duplicates, so I eliminated the duplicates and the yellow warnings went away. Now, however, my browser frequently asks to access fonts on an external drive. Even more annoying, the distinction on the MacRumors Forum Spy between a new thread (bold) and an established thread (regular) is gone; everything is bold. Can anyone tell me what font I need in order to return MacRumors to normal?