Install error WDSCi v6

My boss was attempting to install WDSCi v6 on his laptop and keeps 
receiving an error. I have included the last few lines of his log file. 
Anyone know what might be causing this?

(Sep 4, 2005 2:37:04 PM), Install, 
com.installshield.product.actions.ExternalFiles, dbg.externalFiles, 
C:\Program 
Files\IBM\Rational\SDP\6.0\setup\lum\rwdi\rwdi-6.0-full.licinternal last 
modified = 1118847516000
(Sep 4, 2005 2:37:04 PM), Install, 
com.installshield.product.actions.ExternalFiles, dbg.externalFiles, 
C:\Program Files\IBM\Rational\SDP\6.0\setup\lum\rwdi\rwdi-6.0-full.lic 
last modified = 1118847516000
(Sep 4, 2005 2:37:04 PM), Install, 
com.installshield.wizard.platform.win32.Win32ProductServiceImpl, msg1, 
uninstalling LA Files (lafiles)
(Sep 4, 2005 2:37:05 PM), Install, 
com.installshield.wizardx.actions.ExecWizardAction, err, 
com.installshield.util.ProcessExecException: CreateProcess: "C:\Program 
Files\IBM\Rational\SDP\6.0\updater\eclipse\jre\bin\java.exe" -cp 
"C:\Program Files\IBM\Rational\SDP\6.0\updater\eclipse\iupdater.jar" 
com.ibm.orca.SilentSetup -radirwdi -del "C:\Program 
Files\IBM\Rational\SDP\6.0" error=3
STACK_TRACE: 6
com.installshield.util.ProcessExecException: CreateProcess: "C:\Program 
Files\IBM\Rational\SDP\6.0\updater\eclipse\jre\bin\java.exe" -cp 
"C:\Program Files\IBM\Rational\SDP\6.0\updater\eclipse\iupdater.jar" 
com.ibm.orca.SilentSetup -radirwdi -del "C:\Program 
Files\IBM\Rational\SDP\6.0" error=3
        at 
com.installshield.util.ProcessExec.executeProcess(ProcessExec.java:180)
        at 
com.installshield.wizardx.actions.ExecWizardAction.executeProcess(ExecWizardAction.java:412)
        at 
com.installshield.wizardx.actions.ExecWizardAction.run(ExecWizardAction.java:457)
        at java.lang.Thread.run(Thread.java:566)


Matt Hopkins 
Sr. Programmer/Analyst 
Web: www.pdpgroupinc.com 
Email: MWHopkins@xxxxxxxxxxxxxxx 
Office: 410-584-0330 
Fax: 410-584-0336