the binary is the same so it must be looking for a kservice file to tell is what binary to run what happens if you keep khelpcentre from plasma5 installed but also have /usr/share/kde4/services/khelpcenter.desktop from khelpcenter4 ?
the binary is the same so it must be looking for a kservice file to tell is what binary to run kde4/services/ khelpcenter. desktop
what happens if you keep khelpcentre from plasma5 installed but also have
/usr/share/
from khelpcenter4 ?