If you're modding, I can help you set up the file to include the wrapper correctly.
Most users search for a "net.minecraft.launchwrapper.launch download" because their game has crashed with a ClassNotFoundException . This typically happens for one of three reasons: net.minecraft.launchwrapper.launch download
Are you trying to fix a , or are you setting up a development environment for a mod? Next Steps : If you're modding, I can help you set