Installing Hudson 2.1 as service

After running hudson with:

C:\Documents and Settings\senna\.hudson&开发者_如何学运维gt;java -jar hudson.war

and navigating: http://mymachine:8080/install/?

Error:

Installing a service

[.hudson] $ "C:\Documents and Settings\senna\.hudson\hudson.exe" install
System.Management.ManagementException: Initialization failure 
   at System.Management.ManagementException.ThrowWithExtendedInfo(ManagementStatus errorCode)
   at System.Management.ManagementScope.InitializeGuts(Object o)
   at System.Management.ManagementScope.Initialize()
   at System.Management.ManagementScope.Connect()
   at WMI.WmiRoot..ctor(String machineName)
   at WMI.WmiRoot..ctor()
   at winsw.WrapperService.Run(String[] _args)
   at winsw.WrapperService.Main(String[] args)

What can be wrong?