Nobody can tell you anything without exact system and version info as well as possibly system logts. Just casually mentioning Windows 7 is not useful.
Mylenium, I know YOU can't. You say that everywhere? Nevertheless, somebody helped me with less information than this.
I also found the answer in another question. For all of you that looking for answers: http://www.anamericanquest.com/knowledge-base/adobe-photoshop/how-to-fix-the-0xc000007b-er ror-for-adobe/