All day ive been trying to play minecraft and the launcher says cant unpack natives! Ive redownloaded the whole minecraft just to ge it to open up minecraft.my dad coulded even help me.it would even do any virsion on the launcher :(

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What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
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Steps to Reproduce:
1. I deleted my 1.7.4 because I just wanted it to be clean and faster
2. then I went to sleep woke up and then it woulint open minecraft from the launcher
3. if you want me to copy and paste to you what the launcher says tell me im juust upset I cant play minecraft