First I have to mention that I tried rebooting many many times during the process.
But where I live, there is a major thunderstorm raging, and I just got powersurged for a couple minutes.
Electricity came back on, and guess what? Without changing a single thing, I try to get into CCC and it works. WHAT. THE. HELL.
Since I am a rational computer guy (I'm a programmer), I can't beleive that this was the solution, but since I haven't changed a thing in my setup, this freaks me out. So in my case, a thunderstorm was the solution.
But seriously, I'll try to check what is the difference between now and a couple hours before so that others will be able to fix it as well.
Thanks for your time fantastik250, I'll keep you updated on that one.