Since the other account works, Microsoft tells you what to do next.
Let me ask this. Will you learn from this or will you run more registry cleaners?
Ok i used registry booster 2009 professional edition and did "registry defrag" and after restart half of my computer "system32" dll's gone and lost controll of computer now all my softwares half my computer drivers dll's gone and missing... I have very important files on my hardrive still and the computer gets on but not on my account... Fully bugged and damaged helps!