I think I have fixed it finally.
Scroll down, and enter your comment into the text bos.
Underneath the text box it says "Comment as:" use the arrow down and select Name/URL.
Enter in your name, and leave the URL box blank.
Click the "Post Comment" button.
I believe this should work.
I disabled an extra add-on that requires you to write the messed up letters that appear in a box.
This should make it easier for you to comment.
If this doesn't work... I enjoy the comments that you send via email. =) Thank you.