Environment
Novell ZENworks 10 Configuration Management
  Situation
In the GUI for ZENworksUninstall, "Primary server " shows as http://127.0.0.1. 
Selecting local uninstall:
ERROR:  "An internal error occurred during the uninstallation For more information, see the logs. C:\Program Files\Novell\ZENworks\logs\novell-zenworks-uninstall.log "
ERROR (from novell-zenworks-uninstall.log ): 
ZENworksUninstall.UninstallException: The uninstall encountered an unexpected error. The uninstall preparation returned 1
at ZENworksUninstall.WindowsUninstaller.UninstallRefresh()
at ZENworksUninstall.ZENworksUninstallerSkeleton.Uninstall(Arguments args)
  at ZENworksUninstall.WindowsUninstaller.UninstallRefresh()
at ZENworksUninstall.ZENworksUninstallerSkeleton.Uninstall(Arguments args)
Resolution
 This is fixed in version 10.1.3 - see KB 7002526 "ZENworks 10 Configuration Management 10.1.3" which can be found at https://www.novell.com/support