[pinguin74]

Originally Posted by ShiningArcanine

Disable KDE's blur effect. There is a memory leak bug in it that affects your version of KDE:

https://bugs.kde.org/show_bug.cgi?id=242457

Hmm..... I use Compiz and Emerald for 3D desktop effects, so I may not be affected by this bug... nevertheless, thanx for that hint!