On the finish page there is a next button, which is all time enabled. Pressing the next button cancels post processing and may result in an imcomplete installation, for example not having start menu entries.
Git commit e491fa917a7aa5013aa20246b6030d6ecb2ef7ca by Ralf Habacker. Committed on 07/07/2014 at 13:22. Pushed by habacker into branch 'master'. installer-gui: Disable next button on post processing page while performing post processing. M +0 -1 gui/downloadpage.cpp M +0 -1 gui/installpage.cpp M +1 -0 gui/installwizardpage.h M +3 -0 gui/postprocesspage.cpp M +0 -1 gui/uninstallpage.cpp http://commits.kde.org/kdewin-installer/e491fa917a7aa5013aa20246b6030d6ecb2ef7ca