1. for featured course issue ,please make some course as featured from wp-admin-> lms -> all courses .
refer : http://prntscr.com/hsas3m
2. for dashboard issue , this issue appears when api hit which is user specific is not successful . you would need to add this line SetEnvIf Authorization .+ HTTP_AUTHORIZATION=$0 in your .htaccess file . If it still does not helps then please share your valid ftp credentials to check this issue at your end .
Please mark you reply as private while sharing credentials