I didn't make it!
Hello!! I'm just learning english so apologize for my mistakes. I have black screen problems. Képfeltöltés.hu - korlátlan ingyen tárhely képeidnek, regisztráció nélkül
That means something you installed didn't jibe with the framework I'm guessing. We can get some people to help you so you can help yourself. But to do so you're going have to remember what you did.
Also, post this over at BCC. This seems well out of the realm of an ordinary problem.