Hi, Apoorva -
What version/release/build of PB are you using?
Are you using a framework (such as PFC or STD, for example)? If so, how old or recent is it?
Is this application utilizing a standard MDI "frame" window, or is it using the new tabbed-interface?
I admittedly have very little experience using the RibbonBar, but I believe it does not support "floating" functionality as does a conventional toolbar, if that is what you are referring to. The RibbonBar works very differently from a normal toolbar. If your app is an MDI application and you have not made allowances to adjust the size/position of the MDI Client object (mdi_1) to account for the space occupied by the RibbonBar, this is likely the source of your problem.
There should be a generous amount of documentation in the PB Help regarding the configuration and use of the RibbonBar, so I suggest you review all of it.
Best regards, John