Installed opensuse 11.2 and text does not scroll

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http://forums.opensuse.org – Text does not scroll properly in terminal windows or in any KDE4 application window including Yast's windows. When I scroll up or down the text either rolls in the upper line or two in a window or the lower line or two and nothing rolls in the middle. This is frustrating and I cannot find a fix... Can anyone help? ThanX (Distributions)