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: D:\Program Files (x86)\Twitch Minecraft\Install\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar
Exists: File

Even happens in normal launcher used twitch as an example help fast