Edit channel Dialog box resizing issues: Please Help.

I am a begginer, and have element 7. I don’t know, what went wrong, my edit channel dialog box is so minimized that[/color] when i click (e) icon , it shows up a small black dialog box where i cannot see any features on it.None of its (+) or (-) icons are working. I am stuck. Tried to contact stein berg support via e-mail too but their link , which was provided, didn’t work. plz anybody has idea about it? i would be very grateful to you. :

That’s annoying. Try trashing your preferences. (search the knowledge base for instructions)