Softwares are not opening normally ,opens with gksudo

Some softwares are not opening normally ,but opens with gksudo . I have installed gparted and kdenlive from software center. they both not opening normally by clicking on their icons . But with command gksudo gparted & gksudo kdenlive opens . how to solve. though gparted need privilage but why for kdenlive ? I want to inform normally kdenlive opens and instantaneously closes. butnormally gparted is not open at all.

roco@ubuntu:~$ gksudo kdenlive
clip monitor connected
QWidget::insertAction: Attempt to insert null action
QWidget::insertAction: Attempt to insert null action
QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: No such file or directory
QFileSystemWatcher: failed to add paths: /root/.config/ibus/bus
roco@ubuntu:~$

how to resolve ?
thanks