Minecraft Launcher crashes

When I press play it loads then it comes up with the launcher screen saying its crashed..

[20:09:44 INFO]: Looking for orphaned versions to clean up...
[20:09:49 INFO]: Looking for old natives & assets to clean up...
[20:10:13 ERROR]: Game ended with bad state (exit code -1)
[20:10:13 INFO]: Ignoring visibility rule and showing launcher due to a game crash
[20:10:13 INFO]: Crash report detected, opening: C:\Users\Charlotte\AppData\Roaming\.minecraft\crash-reports\crash-2015-02-19_20.10.13-client.txt
[20:10:13 INFO]: Deleting C:\Users\Charlotte\AppData\Roaming\.minecraft\versions\1.8.2\1.8.2-natives-12297745546113
[20:10:14 ERROR]: Couldn't report crash to Mojang