GPG EMMC Erro 840 and other errors solutions are found here:
1.First, Download Latest version from the support:
GPGeMMC_v1.35
2. second, disable your antivirus and windows securities and put GPG EMMC software to exception.
3. Third, edit your registry setting:
http://forum.gsmhosting.com/vbb/11142431-post26.html
and
http://forum.gsmhosting.com/vbb/10130245-post1.html
4. Fourth, try other computers
5. Fifth, change your internet service provider or try with other internet service providers.
6. Sixth, Do not use 64 bit winder and higher than windows 8
7. Seventh, If you are first time using box, then, provide us your box serial number so that we will help your box activate through our server and you will get license of the box
Good Luck!!!
BR
Dipendra Pathak
(Inside GPG Box and chips)