Hello,

In the panel I have checked the option 'Window can cover', so I want to remove this effect when mouse pointer is near of the screen border.
Follow the screeshot: http://imgur.com/a/OkfHm

king regards,

How to disable the screen edge highlight effect

KDE System Settings > Desktop Behavior > Desktop Effects > disable the 'Screen Edge' effect
Quick - Konsole:

Code: Select all

kcmshell5 kcmkwineffects

and disable the 'Screen Edge' effect