Maybe it would help if I provided this log of the connection attempt:
10/12/2008 21:08:05 Xvnc version X.org/xf4vnc custom version
10/12/2008 21:08:05 Copyright (C) 2001-2004 Alan Hourihane.
10/12/2008 21:08:05 Copyright (C) 2000-2004 Constantin Kaplinsky
10/12/2008 21:08:05 Copyright (C) 1999 AT&T Laboratories Cambridge
10/12/2008 21:08:05 All Rights Reserved.
10/12/2008 21:08:05 See
http://www.tightvnc.com/ for information on TightVNC
10/12/2008 21:08:05 See
http://xf4vnc.sf.net for xf4vnc-specific information
10/12/2008 21:08:05 Desktop name 'X' (linux-xxke:1)
10/12/2008 21:08:05 Protocol versions supported: 3.7, 3.3
10/12/2008 21:08:05 RGB format 5 6 5
10/12/2008 21:08:05 Listening for VNC connections on TCP port 5901
10/12/2008 21:08:05 Listening for HTTP connections on TCP port 5801
10/12/2008 21:08:05 URL
http://linux-xxke:5801
Could not init font path element /usr/share/fonts/local, removing from list!
Could not init font path element /usr/share/fonts/uni, removing from list!
Could not init font path element /usr/share/fonts/CID, removing from list!
startkde: Starting up...
kdeinit4: preparing to launch /usr/lib/kde4/libexec/klauncher
klauncher(4082) kdemain: Waiting for already running klauncher to exit.
klauncher(4082) kdemain: Waiting for already running klauncher to exit.
klauncher(4082) kdemain: Another instance of klauncher is already running!
kdeinit4: Communication error with launcher. Exiting!
kdeinit4_wrapper: Warning:
connect(/home/john/.kde4/socket-linux-xxke/kdeinit4__1) failed: : Connection
refused
Could not register with D-BUS. Aborting.
startkde: Shutting down...
kdeinit4_wrapper: Warning:
connect(/home/john/.kde4/socket-linux-xxke/kdeinit4__1) failed: : Connection
refused
Error: Can not contact kdeinit4!
startkde: Running shutdown scripts...
startkde: Done.
10/12/2008 21:09:47
10/12/2008 21:09:47 Got VNC connection from client 192.168.1.2
10/12/2008 21:09:47 Using protocol version 3.7
10/12/2008 21:09:47 Enabling TightVNC protocol extensions
10/12/2008 21:09:50 Full-control authentication passed by 192.168.1.2
10/12/2008 21:09:50 Pixel format for client 192.168.1.2:
10/12/2008 21:09:50 32 bpp, depth 24, little endian
10/12/2008 21:09:50 true colour: max r 255 g 255 b 255, shift r 16 g 8 b 0
10/12/2008 21:09:50 Using copyrect encoding for client 192.168.1.2
10/12/2008 21:09:50 Using tight encoding for client 192.168.1.2
10/12/2008 21:09:50 Using compression level 1 for client 192.168.1.2
10/12/2008 21:09:50 Using image quality level 6 for client 192.168.1.2
10/12/2008 21:09:50 Enabling X-style cursor updates for client 192.168.1.2
10/12/2008 21:09:50 Enabling cursor position updates for client 192.168.1.2
10/12/2008 21:09:50 Enabling LastRect protocol extension for client 192.168.1.2
10/12/2008 21:09:50 rfbProcessClientNormalMessage: ignoring unknown encoding
-223
10/12/2008 21:09:55 rfbClientConnectionGone
10/12/2008 21:09:55 VNC Client 192.168.1.2 gone
10/12/2008 21:09:55 Statistics:
10/12/2008 21:09:55 key events received 0, pointer events 110
10/12/2008 21:09:55 framebuffer updates 3, rectangles 8, bytes 258
10/12/2008 21:09:55 LastRect markers 3, bytes 36
10/12/2008 21:09:55 cursor shape updates 1, bytes 162
10/12/2008 21:09:55 cursor position updates 1, bytes 12
10/12/2008 21:09:55 tight rectangles 3, bytes 48
10/12/2008 21:09:55 raw bytes equivalent 5281988, compression ratio
110041.416667
10/12/2008 21:09:55 GenerateVncDisconnectedEvent
Have a look at this segment:
startkde: Starting up...
kdeinit4: preparing to launch /usr/lib/kde4/libexec/klauncher
klauncher(4082) kdemain: Waiting for already running klauncher to exit.
klauncher(4082) kdemain: Waiting for already running klauncher to exit.
klauncher(4082) kdemain: Another instance of klauncher is already running!
kdeinit4: Communication error with launcher. Exiting!
kdeinit4_wrapper: Warning:
connect(/home/john/.kde4/socket-linux-xxke/kdeinit4__1) failed: : Connection
refused
Could not register with D-BUS. Aborting.
startkde: Shutting down...
kdeinit4_wrapper: Warning:
connect(/home/john/.kde4/socket-linux-xxke/kdeinit4__1) failed: : Connection
refused
Error: Can not contact kdeinit4!
startkde: Running shutdown scripts...
startkde: Done.
Any ideas?