kdm problem with root login

[Roger de Backer]

Hi all,
after having installed qt-3.0.6 and kde-3.0.4 and solving  several 
initial problems mainly due to wrong path/environment settings, a few 
problems have remained for which I can't find a reason/solution:
1) if I try to login as root in KDM, I get the "login failed" response. 
If I login as user and then invoke the superuser with the same password, 
everything works out fine however. Also the background of the login 
screen is not the one specified (kiagara) in the control center, login 
manager.
2) the KDE help center doesn't work, it says: "an error occurred while 
loading help:/khelpcenter/index.html?anchor=welcome: could not start 
process Unable to create io-slave: klauncher said: Unknown protocol 
'help'.".
Unfortunately, I don't know how to interprete this error message. Should 
there be a subdirectory "help" somewhere?
My distribution is SuSE 8.1 professional, but kde has been installed 
from source in the default position: usr/local/kde. 
KDEDIR=usr/local/kde, QTDIR=/usr/lib/qt-3.0.6.
Both check out correctly with the echo command in the console.
Roger

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