Ok, so I changed my system font today to a google font called "Oxanium" using "Winaero Tweaker" and this font does not get applied to firefox's interface most other fonts that I apply work but some like this don't I read this post [/questions/1188968 Several Google fonts not working in Firefox 57] and I feel like it might be the issue I have but the solution in it didn't work I changed the security sandbox setting even to 0 and it didn't help Can anyone help me out?