gdmgreeter problem

Following errors are there in syslog.....

Jun 5 09:54:43 localhost gdmgreeter[8557]: Could not access configuration key
Jun 5 09:54:43 localhost gdmgreeter[8557]: Using compiled in value for
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Trying failed command again. Try 2 of 5.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Trying failed command again. Try 3 of 5.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Trying failed command again. Try 4 of 5.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Trying failed command again. Try 5 of 5.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Command failed 5 times, aborting.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Could not access configuration key
Jun 5 09:54:43 localhost gdmgreeter[8557]: Using compiled in value for
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Trying failed command again. Try 2 of 5.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Trying failed command again. Try 3 of 5.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Trying failed command again. Try 4 of 5.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Trying failed command again. Try 5 of 5.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Failed to connect to socket, not sleeping
Jun 5 09:54:43 localhost gdmgreeter[8557]: Command failed 5 times, aborting.
Jun 5 09:54:43 localhost gdmgreeter[8557]: Could not access configuration key
Jun 5 09:54:43 localhost gdmgreeter[8557]: Using compiled in value for

Like this there are several errors, what could be the cause ????

Any idea.