Whenever I try and add a font to the fonts folder, it says the font is currently being used and cannot be replaced. However, it doesn't appear after that. How do I solve this?

it can only mean that you have that font already installed?..?

well my family's computer is horrible, and it blocks everything imaginable when i try to download or add programs...i'll be getting my own in a year or so, so i suppose i could just wait...