the "Windows - Corrupt File" message is worrisome for me.... Either your copy of windows is not genuine (legitimately purchased) or youvegot some massive issues with that computer.. minecraft is probably the least of your worries with that PC... Sorry to be the bearer of bad news.
I got minecraft like a year ago and now my minecraft isn't working any more. Here is a list of things I've tried and yet still failed.
I have a few things which i might think might have made my minecraft go black.