Dog10109

whenever I download 1.7.10 (just forge for 1.7.10) and try to launch it my Minecraft launcher says " Failed to download file, the file contents differ from what was expected. Name: jopt-simple-4.5.jar URL: https://libraries.minecraft.net/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar Filename on disk: jopt-simple-4.5.jar Path: C:\Users\super\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar Exists: File" and won't load up the version