Clipboard - "item not collected"

I have some issue where the clipboard will just suddenly and for and for no reason stop collecting so I cannot do copy or paste. Even if I clear all items collected then I still cannot to copy and paste and I constantly receive the message "item not collected". Upon opening the clipboard I see some strange graphics and I have no idea where they come from and once minute the clipboard was empty, the next these 7 icons appear from nowhere. If the clipboard stops collecting, these icons/graphics are also in the list of collected items. The only way I can begin copying/pasting is to log off windows and to log back in. Logging out of outlook will not fix the problem. Can anyone tell me a way to solve this? Thanks.

I was having the same experience, it drove me crazy. I finally figured it out! If you just click on a cell and copy it, you get the message. If you highlight the CONTENTS of the cell (instead of just clicking on the cell) and copy them, Excel will add the entry to the clipboard.