I had a very hard time too. Finally I did a clean OS re-install on my client PC and it worked right away. Knowning this I was able to get my second client PC to work after a WMI repair on the client. http://windowsxp.mvps.org/repairwmi.htm

Thank you for posting your log files. I looks like your WMI remote connection settings are set to require PACKET PRIVACY and that your DCOM security needs adjusting. Most likely as a result of some anti-spyware, security software? The sample script only provides the default authentication level ; it...

Seems like a corrupted WMI repository. On your Windows XP client please click Start, Run and type the following command: rundll32 wbemupgd, UpgradeRepository This command is used to detect and repair a corrupted WMI Repository. The results are stored in the setup.log (%windir%\system32\wbem\logs\setup...