Version: (using KDE 4.3.1) Installed from: Ubuntu Packages When a web page is to high to fit in konq window vertical scrollbar is displayed. When you try to scroll with the bar, mouse wheel or Page up/down content of the page becomes messed up. I yet have to find a way to reproduce this.
Created attachment 36791 [details] Screenshot with the mentioned issue
The first time I've loaded the page it was rendered correctly. After I've reloaded and I've reproduced your same bug. I'm using KDE 4 trunk (r1020839).
*** Bug 206774 has been marked as a duplicate of this bug. ***
Thank you for the bug report. As this report hasn't seen any changes in 10 years or more, we ask if you can please confirm that the issue still persists. If this bug is no longer persisting or relevant please change the status to resolved.