Unity won't open, or go past blank license screen

http://i.imgur.com/BPZAJ6Q.png

So Unity was working fine, then the Asset Store had that issue where the screen remained blank, so I read up on it and was told to delete some files in my /library folder, I did so, then this happened. I tried uninstalling and reinstalling unity. Different versions too, won't work at all. I have Pro and I may have deleted something regarding that, The only other screen I got was the manual activation screen when I took out my internet, I tried following unity's instructions to do manual activation, this ended up coming up: http://i.imgur.com/rJ53uC5.png Any ideas on how to fix this or what to do? I'm kinda panicking as this computer has a ton of important stuff on it, but If I can't get Unity to work I see no other option than having to reset it completely.