Minecraft not responding then crashing

[AmiraHh]

So im trying to get on minecraft, but when i try it just stops responding,
It goes from this screen
http://floomby.io/s/120220/jCP4sfC6?a
to this one
http://floomby.io/s/120220/3gD6Yvc7?a
every single time?
what do i do?

 

[Tas]

Restart your computer, give it some time, and try again.

 

[Proteges]

If there's still an issue, try re-installing Minecraft, might be something wrong with the files ;)