In MS IE 7 the "Allow Programmatic clipboard access" is set to "Prompt" by default and thus displays a warning message.

 

To disable this behaviour in MS IE 7:

 

 1)Go to Menu item:  Under Tools > Internet Options > Security > Custom Level

 

 2)  There will be a long list of radio buttons,

 

      a) Scan down near the end of the list to:

 

       b)For  "Allow Programmatic clipboard access"

 

 3) Select Disable rather than prompt and Save

 

  4) Restart MS IE 7.