Well, since there is not a preview button on this forum, I couldn't imagine how my post would look like, so I am posting my question again because the other one was closed.
I have two blogs with version 2.9.2. Strange thing is one works fine but the other has a little problem with the editor.
The one with the problem does not show the text/code in a neat fashion, no paragraphs no readability and most importantly not all the codes I paste into the editor is shown when I select the visual editor or when I post and view the post/page."
Below is the images that describe the problem: