VisualKaitlyn

Basically whenever I load forge 1.8.9 and start minecraft I get this message: Failed to download file, the file contents differ from what was expected. Name: jopt-simple-4.6.jar URL: https://libraries.minecraft.net/net/sf/jopt-simple/jopt-simple/4.6/jopt-simple-4.6.jar Filename on disk: jopt-simple-4.6.jar Path: C:\Users\KaitlynM\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.6\jopt-simple-4.6.jar Exists: File https://ibb.co/CtFqYNS I tried re-installing forge, as well as minecraft, but nothing seems to fix it. I tried loading forge without any mods but it still doesn't work. When I load minecraft without forge it works perfectly, so I assume it's something to do with the forge. I installed the latest version of java however nothing changed.