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Trying to start KDE from withing a putty session with X11 forwarding to Xming produces the following output. Works but I'd like to understand and eliminate the errors.

[Bob@COMP100 ~]$ startkde :2
Size 1024x768 not found in available modes

** (process:12102): WARNING **: Error doing GetSessionForUnixProcess on ConsoleK it: org.freedesktop.DBus.GLib.UnmappedError.CkManagerError.Code0: Unable to look up session information for process '12102'

** (process:12102): CRITICAL **: polkit_session_set_uid: assertion `session != N ULL' failed
E: polkit.c: Cannot set UID on session object.
N: main.c: Called SUID root and real-time/high-priority scheduling was requested in the configuration. However, we lack the necessary priviliges:
N: main.c: We are not in group 'pulse-rt' and PolicyKit refuse to grant us privi liges. Dropping SUID again.
N: main.c: For enabling real-time scheduling please acquire the appropriate Poli cyKit priviliges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/ RLIMIT_RTPRIO resource limits for this user.
E: main.c: read() failed: Success
E: main.c: daemon startup failed.
process 12102: dbus_shutdown() called but connections were still live. This prob ably means the application did not drop all its references to bus connections.
D-Bus not built with -rdynamic so unable to print a backtrace
/etc/kde/env/pulseaudio.sh: line 5: 12102 Aborted /usr/bin/pulse audio -D
xset: bad font path element (#90), possible causes are:
Directory does not exist or has wrong permissions
Directory missing fonts.dir
Incorrect font server address or syntax
startkde: Starting up...
kbuildsycoca running...
Xlib: extension "DPMS" missing on display "localhost:10.0".
Xlib: extension "DPMS" missing on display "localhost:10.0".
Xlib: extension "MIT-SCREEN-SAVER" missing on display "localhost:10.0".
Server has no DPMS extension
Connection failure: Connection refused

** (nm-applet:12160): WARNING **: <WARN> applet_dbus_manager_start_service(): Could not acquire the NetworkManagerUserSettings service as it is already taken. Return: 3


(nm-applet:12160): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
Xlib: extension "DPMS" missing on display "localhost:10.0".
Xlib: extension "MIT-SCREEN-SAVER" missing on display "localhost:10.0".
Unable to connect to yum-updatesd. Please ensure that the yum-updatesd
package is installed and that the service is running.
Xlib: extension "DPMS" missing on display "localhost:10.0".
Xlib: extension "MIT-SCREEN-SAVER" missing on display "localhost:10.0".
could not attach to desktop process
Xlib: extension "DPMS" missing on display "localhost:10.0".
Xlib: extension "MIT-SCREEN-SAVER" missing on display "localhost:10.0".
Xlib: extension "DPMS" missing on display "localhost:10.0".
Xlib: extension "MIT-SCREEN-SAVER" missing on display "localhost:10.0".
Xlib: extension "DPMS" missing on display "localhost:10.0".
Xlib: extension "MIT-SCREEN-SAVER" missing on display "localhost:10.0".
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 7
Minor opcode: 0
Resource id: 0x2000008
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 6
Minor opcode: 0
Resource id: 0x2000008
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 20
Minor opcode: 0
Resource id: 0xe0000f
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 7
Minor opcode: 0
Resource id: 0x16000e8
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 6
Minor opcode: 0
Resource id: 0x16000e8
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 7
Minor opcode: 0
Resource id: 0x20014d
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 6
Minor opcode: 0
Resource id: 0x20014d
startkde: Shutting down...
klauncher: Exiting on signal 1
startkde: Running shutdown scripts...
xprop: no such property "KDE_FULL_SESSION"
startkde: Done.