OH SHI-
Ahh.. Its to late.
That was a Rogue Anti Virus.
Basicly a fake "Anti Virus" that will block eveything and say its infected and get you to buy its software. There was no infection on your pc in the first place.
Its used to steal identity and are bank info etc..
Im really sorry this one was able to get you.
Call your credit card and such and have it locked.
To prevent this and to FULLY remove it, do the following:
Download these
Malwarebytes
Avast Free Anti Virus
Spybot Search & Destroy
Spybot is all free and the other two are trials but are basically the same as the paid versions.
If this "virus" wont let you download or run these, just restart your pc in safe mode with networking. Press F8 as soon as your pc starts to power up. press it over and over. May take a few restarts.
Update the programs, then run each one one by one. This should clear the problem. If you have enough ram, enable Malwarebytes protection module if you paid for it, and also enable Spybots "TeaTimer". TeaTimer protects your registry. Your registry is basically critical system files and settings, like windows system 32. (What most infections attack to gain control over your pc)
This is a powerful combo I personally use (all paid versions of course) and I put it on all my friends computers when there messed up.
This will clear your problem up and keep you safe. Update regularly by the way.
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Thats the free stuff to do right now.
I suggest you buy Avast! Internet Security And Malwarebytes.
I am really sorry. The people who trap people like you into buying this stuff need to die.