Troubleshooting: Errors encountered during the GUI installation of the fix pack to the Remote WebSphere Commerce Management Utilities client

The installation fails when attempting a GUI install on the Remote WebSphere Commerce Management Utilities client. The following error message is produced:

Update installation unsuccessful: The following maintenance package 
could not be installed: 

WebSphere Commerce 7.0.0.X

For more information, see the following log file:
C:\Program Files\IBM\WebSphere\CommerceServer70\logs\update\
7.0.0-WS-WCServer-FP00X.install\updatelog.txt

The log file contains errors. For example:

(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
InstallNIFMaintenance, msg1, Updating component: update.base, percent 
complete: 98%
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
InstallNIFMaintenance, msg1, Updating component: update.base, percent 
complete: 99%
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
InstallNIFMaintenance, msg1, Updating component: update.base, 
percent complete: 100%
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
InstallNIFMaintenance, err, There are more than one installed PAK for 
this PAK location.PAKLocationURI: zip:
///C:/Program%20Files/IBM/WebSphere/CommerceServer60/properties/version/
update/backup/7.0.0-WS-WCServer-FP00X.pak
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
InstallNIFMaintenance, err, null
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
InstallNIFMaintenance, err, com.ibm.ws.install.ni.framework.NIFException
at com.ibm.ws.install.ni.framework.registry.NIFRegistry.
getInstalledPAKByPAKLocationURI(NIFRegistry.java:696)
at com.ibm.ws.install.ni.framework.registry.NIFRegistryPlugin.
getInstalledPAKByPAKLocationURI(NIFRegistryPlugin.java:465)
at com.ibm.ws.install.ni.framework.registry.NIFRegistryPlugin.
processThisPAKRegistryEntry(NIFRegistryPlugin.java:938)
at com.ibm.ws.install.ni.framework.install.NIFPackageApplicationPlugin.
performUpgrade(NIFPackageApplicationPlugin.java:565)
at com.ibm.ws.install.ni.framework.install.NIFPackageApplicationPlugin.
executeInBackwardCompatibleMode(NIFPackageApplicationPlugin.java:236)
at com.ibm.ws.install.ni.framework.install.NIFPackageApplicationPlugin.
execute(NIFPackageApplicationPlugin.java:110)
at com.ibm.ws.install.ni.framework.maintenanceplugins.FixpackApplicationPlugin.
execute(FixpackApplicationPlugin.java:87)
at com.ibm.ws.install.ni.ismp.actions.InstallNIFMaintenance.executeTheseInstall
Packages
(InstallNIFMaintenance.java:1004)
at com.ibm.ws.install.ni.ismp.actions.InstallNIFMaintenance.executeThisInstall
Package
(InstallNIFMaintenance.java:583)
at com.ibm.ws.install.ni.ismp.actions.InstallNIFMaintenance.executeThisInstall
Package
(InstallNIFMaintenance.java:955)
at com.ibm.ws.install.ni.ismp.actions.InstallNIFMaintenance.executeThisInstall
Package
(InstallNIFMaintenance.java:469)
at com.ibm.ws.install.ni.ismp.actions.InstallNIFMaintenance.executeThisInstall
Package
(InstallNIFMaintenance.java:427)
at com.ibm.ws.install.ni.ismp.actions.InstallNIFMaintenance.performExecution
(InstallNIFMaintenance.java:376)
at com.ibm.ws.install.ni.ismp.actions.InstallNIFMaintenance.execute
(InstallNIFMaintenance.java:74)
at com.installshield.wizard.RunnableWizardBeanContext.run
(RunnableWizardBeanContext.java:20)

(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
SettleNIFRegistryAction, msg1, Current install/uninstall process failed.
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
SetExitCodeAction, msg1, CWUPI0000I: EXITCODE=1
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
ISMPLogFileAction, msg1, 
For more information about installing components, see the following 
trace file:C:/Program Files/IBM/WebSphere/CommerceServer70\logs\
update\7.0.0-WS-WCServer-FP00X.install\updatetrace.log.gz 
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
ISMPLogFileAction, msg1, 
For more information about running configuration commands, see the following 
trace file:C:/Program Files/IBM/WebSphere/CommerceServer70\logs\
update\7.0.0-WS-WCServer-FP00X.install\updateconfig.log.gz
(Feb 6, 2011 5:05:09 PM), Install, com.ibm.ws.install.ni.ismp.actions.
ISMPLogSuccessMessageAction, 
msg1, INSTCONFFAILED

where X is the number of the fix pack installed.

If you encounter this error, you could have multiple fix pack entries in C:\WINDOWS\.nifregistry. Complete the following steps:

1. Back up C:\WINDOWS\.nifregistry.
2. Open the file in a text editor.
3. Remove any incorrect entries; leave only the entries that are actually installed on the system.
4. Reapply the fix pack.