Version: (using KDE 4.1.0) OS: Linux Installed from: Ubuntu Packages Hy, the problem that I have with okular is: 1. when opening a pdf from konqueror ( kde 4.1) 2. when opening more than one instance of okular with pdf. For both instances the problem is the same: The currently display page gets locked on the screen and scrolling up and down does not change the page to the next one but leaves two stripes plotted over the locked page at the bottom and upwards pf the document display area. The problem disappears when I close all instances of okular and open just a single one. The problem persists to new open instances of okular when one instance gets corrupted and displays badly. Hope to see a fix up. Have a nice day.
Oh well, the usual Qt scrolling bug. *** This bug has been marked as a duplicate of bug 163434 ***