Won't load

Basically I loaded up the launcher of Minecraft to find Minecraft and had two updates 1.7.3 and 1.7.4 now I hit play on the Launcher. Now the green bar filled and then I got a windowed black box.. Minecraft didn't even load. I didn't even get the Mojang Logo screen.Now I thought this was a one time thing, but i've tried it like 5-6 times, but I keep getting the same thing

What I expected to happen was...:
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What actually happened was...:
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Steps to Reproduce:
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