Started up minecraft using the .msi. Installed it. Ran it. Was fine on the splash screen. Joined Hypixel. Crash. Restarted minecraft and joined a realm. Crash.

Tried the .exe. Crashed like before

Tried the old .exe. Never gets past the
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma

It just cranks and nothing happens.
Tried the .jar. Same thing.

Like I said, I have a windows 8.1 with Child user on. Am in the child user. It doesn't work at all. But here's the weird thing. Minecraft works fine in admin!

And with the attached file, it looks like it isn't a Minecraft issue...more like a java issue...at least, that's my understanding...

PLEASE FIX THIS!!!