This is the output of NXClient on Laptop
NXPROXY - Version 3.1.0

Copyright (C) 2001, 2007 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Proxy running in client mode with pid '17226'.
Session: Starting session at 'Sat Feb  9 15:43:20 2008'.
Info: Connection with remote proxy completed.
Info: Using ADSL link parameters 512/24/1/0.
Info: Using cache parameters 4/4096KB/16384KB/16384KB.
Info: Using pack method 'adaptive-7' with session 'kde'.
Info: Using product 'LFE/None/LFEN/None'.
Info: Using ZLIB data compression 1/1/32.
Info: Using ZLIB stream compression 4/4.
Info: No suitable cache file found.
Info: Forwarding X11 connections to display ':0.0'.
Info: Listening to font server connections on port '11004'.
Session: Session started at 'Sat Feb  9 15:43:20 2008'.
Info: Established X server connection.
Info: Using shared memory parameters 1/4096K.
Error: Connection with remote peer broken.
Error: Please check the state of your network and retry.
Session: Terminating session at 'Sat Feb  9 15:43:24 2008'.
Session: Session terminated at 'Sat Feb  9 15:43:24 2008'.

 
This is the server box x86_64 /messages file 

Feb  9 15:43:10 x86_64 NXSERVER-3.1.0-4[6223]: User 'mickey' logged in from '76.251.280.83'. 'NXLogin::set'
Feb  9 15:43:13 x86_64 NXSERVER-3.1.0-4[6223]: Selected node host:localhost with port:22 'main::selectNode'
Feb  9 15:43:13 x86_64 NXSERVER-3.1.0-4[6223]: Current selected node: localhost is in status: running  'main::selectNode'
Feb  9 15:43:13 x86_64 NXSERVER-3.1.0-4[6223]: Selected session type: unix-kde allowed in the profile of user: mickey 'NXShell::Static'
Feb  9 15:43:15 x86_64 NXSERVER-3.1.0-4[6223]: ERROR: nxssh process exited with '255' 'NXNodeExec::exec'
Feb  9 15:43:19 x86_64 NXSERVER-3.1.0-4[6223]: Session '7F7FA6AC9A8C13F31E8F8EC3BAA37650' started by user 'mickey'. 'NXShell::handler_session_start'
Feb  9 15:43:19 x86_64 NXSERVER-3.1.0-4[6223]: ERROR: run command: no child process with pid 6330 Logger::log nxserver 3069
Feb  9 15:43:19 x86_64 NXSERVER-3.1.0-4[6223]: User 'mickey' from '76.251.280.83' logged out. 'NXLogin::reset'
Feb  9 15:43:19 x86_64 NXNODE-3.1.0-5[6371]: Using port '1004' on node 'x86_64' for session 'unix-kde'. Logger::log nxnode 5975
Feb  9 15:43:19 x86_64 NXNODE-3.1.0-5[6371]: Using host from available host list: '172.16.1.36'. Logger::log nxnode 5976
Feb  9 15:43:20 x86_64 NXNODE-3.1.0-5[6735]: ERROR: Error when monitoring session: Could not open default font 'fixed' 'NXSessionMonitor::__setSessionStatus'
Feb  9 15:43:20 x86_64 NXNODE-3.1.0-5[6735]: NXSessionMonitor: killing unexpected agent running with pid '6653' with signal '15' 'NXSessionMonitor::monitorStatus'
Feb  9 15:43:23 x86_64 NXNODE-3.1.0-5[6735]: NXSessionMonitor: killing unexpected agent running with pid '6653' with signal '15' 'NXSessionMonitor::monitorStatus'
Feb  9 15:43:24 x86_64 NXNODE-3.1.0-5[6735]: NXSessionMonitor: killing unexpected agent running with pid '6653' with signal '9' 'NXSessionMonitor::monitorStatus'
Feb  9 15:43:24 x86_64 NXNODE-3.1.0-5[6371]: ERROR: Unexpected termination of nxagent because of signal: 9 Logger::log nxnode 3777
Feb  9 15:43:24 x86_64 NXNODE-3.1.0-5[6371]: ERROR: run command: process: 6653 died because of signal: 9 Logger::log nxnode 3784
Feb  9 15:43:25 x86_64 NXNODE-3.1.0-5[6735]: Directory '/home/mickey/.nx/C-x86_64-1004-7F7FA6AC9A8C13F31E8F8EC3BAA37650' renamed into '/home/mickey/.nx/F-C-x86_64-1004-7F7FA6AC9A8C13F31E8F8EC3BAA37650' for further investigation Logger::log nxnode 6155
Feb  9 15:43:26 x86_64 NXNODE-3.1.0-5[6371]: Session 'unix-kde' on port '1004' failed. Logger::log nxnode 6234
Feb  9 15:43:32 x86_64 NXSERVER-3.1.0-4[6656]: ERROR: NXNodeExec: Cannot kill nxssh process: No such process 'NXNodeExec::exec'
Feb  9 15:43:32 x86_64 NXSERVER-3.1.0-4[6656]: User 'mickey' from '76.251.280.83' logged out. 'NXLogin::reset'