Icons are missing from the Admin area
If you would see a screen like this:
It means, that the fonts aren't correctly set up in your server. Open up your .htaccess file, and put these codes into it:
AddType font/ttf .ttf AddType font/eot .eot AddType font/otf .otf AddType font/woff .woff AddType font/woff2 .woff2 <FilesMatch "\.(ttf|otf|eot|woff|woff2)$"> <IfModule mod_headers.c> Header set Access-Control-Allow-Origin "*" </IfModule> </FilesMatch>
Which usually solves it, but if you are not sure about yourself, or this doesn't have an effect, you should contact your server host, and ask them for help, tell them, that your fonts aren't loading correctly.
If you are managing your own Windows server, you could try to follow the "Fix static file serving" part here.
Akeeba Admin Tools
In Joomla Akeeba Admin Tools could block files too. If you have installed it in your website, add this line to its Allow direct access, except .php files, to these directories setting: