Mediaportal reinstall help

[rhurbarb]

Hi all .For some reason when i updated mediaportal on my dreambox i didnt get extra new channels showing in the menu.I deleted the mediaportal folder and then tried to install mediaportal 4.0, then do the update but even though i deleted it manually it wont except a lower mediaportal.How do i resolve this problem please?.Oe 2.0 oozoon image running here.Thanks ..Rhubarb