when I want to open the minecraft open it without problems but sometimes I walk a lot in my world servers or survival and makes me slow to make sudden movements and closed the minecraft I do not know why I'm desperate tested and from 1.8 in I goes forward.
I do not know what to do.
Pd: im from Spain, sorry no knows much english I am translating this with google translator
Duplicate of MC-14051. Your system may not be able to support versions of minecraft beyond 1.7.2.
This is a technical support issue; this site is for bug reports only. For technical support please use the Mojang Support Center.