Hello,

clicking on the "Adding other Controls to the RibbonBar" shows a help page with some links to other help pages.
 
clicking on most of them shows a not existing page.

click for example on "RadProgressBarElement" and i get the error "the program cannot show this page". 

 Greetings,

Ramius

Hi Ramius,

We confirm there is a problem with our online help application we are currently working on. We are sorry for the inconvenience.
Please refer to the following KB article, regarding the help topics you are searching:
http://www.telerik.com/support/kb/winforms/ribbonbar/adding-a-winforms-control-to-a-ribbon-bar.aspx

Let us know if you have any questions further.

Kind regards,
Mike
the Telerik team