The drop down box to the right of where is says "Name:" was empty. Usually it contains the chord that you right-clicked on. I didn't try to "drop it down", and so do not know if the long list of chords was there, and now I cannot reproduce the problem. I got rid of most of the problem chords in event view, and to tell the truth I think the problem went a way when I restarted my computer (not just restarted X2, which was the first thing I tried).
If it happens again, I'll come with hat in hand to the forum again :). I will be upgrading to X3 pretty soon...maybe that will help.
Thanks for the reply, heydan.