my xplode will install some things but not all?

hi i am having problems with xplode:

it will install: MSN, dc++, vlc player, medaplayer, WinRAR,

and will not instal: nero 6: office2003 powerdvd any help would be nice thanks

it has lost me!

<XPlode>
	<config>
  <hidewindow>First Boot Installation</hidewindow>
  <hidewindow>CMD.EXe</hidewindow>
  <show total='8' after='0' subcount='true' />
  
  <!-- turn antialiasing OFF if you're running GUIinstall mode -->
  <font face='Jokerman' antialias='true' small='10' large='14' />
  
  <!-- note the position attribute - it is listed in 'x,y' positions. -->
  <!-- 0..8 still may be used. -->
  <window width='600' position='7' fixmain='0' />
  
  
  <windowmode>Standalone</windowmode>
  <colours>
  	<header back='000000' fore='ffffff' />
  	<footer back='000000' fore='ffffff' />
  	<progress border='000000' back='000000' fore='#FFFF00' fore2='#FFFF00' />	
  	<main fore='ffffff' current='ffffff' description='ffffff' image='%XPLODE%\xpback.png' overlay='#00000000'/>
  </colours>

  <strings>
  	<!-- main XPlode string -->
  	<title>Installation and configuration</title>
  	<complete>complete</complete>
  	<!-- adduser plugin strings -->
  	<adduser>Adding user #1#</adduser>
  	<addusertogroup>Adding user #1# to group #2#</addusertogroup>
  	<addgroup>Adding group #1#</addgroup>    
  	<!-- file/dir ops plugin strings -->
  	<copy>Copying #1# (#2#/#3# - #4#)</copy>
  	<move>Moving #1# (#2#/#3# - #4#)</move>
  	<delete>Deleting #1# (#3#)</delete>
  	<!-- shortcut plugin -->
  	<shortcut>Adding shortcut: #1#</shortcut>
  </strings>
	</config>
	<items>
  <item display='Installing Applications'>
  	<execute display='Installing Windows Mediaplayer 10 ...' program='%systemdrive%\install\applications\WMP10\MP10Setup.exe' arguments='/Q:A /R:N /C:"setup_wm.exe /DisallowSystemRestore /Q:A /R:N"'/>
  	<execute display='Installing WinRAR 3.30 ...' program='%systemdrive%\install\Applications\WinRAR\wrar340.exe' arguments='/s'/>
  	<execute display='Installing MSN Messenger 6.2.0137 Final ...' program='%systemdrive%\install\Applications\MSN\MsnMsgs.msi' arguments='/QN'/>
  	<execute display='Installing dc++ ...' program='%systemdrive%\install\Applications\dc++\DCPlusPlus.exe' arguments='/S'/>
  	<execute display='Installing dc++VLC player ...' program='%systemdrive%\install\Applications\Vlc player\vlc player.exe' arguments='/S'/>
  	<execute display='Installing Nero Burning ROM v6.6.0.0 Ultra Edition ...' program='%systemdrive%\Install\Applications\Nero\Nero6.exe' arguments='/SN=xxxxxxxxxxxxxxxxxx-5571 /WRITE_SN /SILENT /SILENT=1 /NO_UI /NOCANCEL /NOREBOOT'/>
  	<execute display='Installing Office 2003 ...' program='%systemdrive%\Install\Applications\Office2003\setup.exe' arguments='TRANSFORMS=%systemdrive%\Install\Applications\Office2003\Unattended.MST /QN'/>
  </item>
  <item display='Installing Applications'>
  	<execute display='Applying Registry Tweaks II ...' program='regedit' arguments='/s %systemdrive%\install\RegTweaks.reg'/>
  </item>
  <item display='Running system cleanup'>
  	<execute display='Performing cleanup...' program='%systemdrive%\cleanup.cmd'/>
  </item>
	</items>
</XPlode>

XPlode.xml