download this plugin ,editor hosts ,to disable MG URL network.
if you have first install ,1.you need to upload all file and don't change any file. 2.open backend plugin ,active it and use it. ,if you have been installed it ,need to removed all files and then upload all nulled files,2, run
and use this plugin ,whatever,you need to remove old localkey.I can't find the problem that can't activate on centros7 or windows 10,