Hi there,
I've searched the forums and the internet for anyone who had this problem, I can't believe I'm the only one with this problem. I'm sorry if it already has been asked, but I couldn't find it.
I used the Complete Example code for my test page and put in the head tag the following lines:
<script type="text/javascript"> CKEDITOR.config.forcePasteAsPlainText = true; </script>