Help for debugging zenwin problems
Start wbemtest, select Windows -> Run When prompted for the Command to run, enter wbemtest.
When the dialog appears, select "Connect". You can point wbemtest to your computer. For the local machine, change the Namespace from root\default to root\cimv2. For a different host, prefix with \\host, for example \\Server1\root\cimv2. Enter in User and Password information, as needed to access the remote system.
An example query you can use to test the connection is to list all of the windows services:
select * from Win32_Service