Font Book permanently not responding
As soon as Font Book is launched the spinning wheel appears which won't allow me to interact with anything - including the toolbar so I cannot restore standard fonts or delete anything through Font Book.
I've tried deleting all fonts through Users/Library/Font and Font Collections (I can't delete the folders so just the contents) and nothing changed. I've tried searching anything with a font file ext (.ttf, .otf etc) and deleting all files.
I've tried the Safe Boot restart trick to clear the cache but that also hasn't worked.
When I launch Font Book it still says I have 339 fonts which means the fonts are still on my computer somewhere.
This is really inconvenient for me as I work as a graphic designer and this prevents me from being able to download new fonts ( or use the ones I've now deleted). Please help!!!
MacBook Pro