Board Thread:Bug Reports/@comment-31348466-20170430201903/@comment-30645975-20170430205412

They clearly did not do something right, so here's a checklist: If all of that has been done correctly, then there should not be an error
 * 1) Install forge for their OS (Installer or Installer-Win)
 * 2) Run the file and select "client", then download
 * 3) Choose that profile in their launcher, then run that profile