PSExec on Vista VM : Initialization of tree component failed

[Buildboy]

Hi All,
I am trying to start the build file remotly on a Windows Vista Enterprise VM running on the VMWare server 1.4 and encountring the following error.
Also Running VB Pro 6.6 on the VM, host executing the command is running VB Pro 6.3
Any help is greatly appreciated

from the event viewer:

Log Name: Application
Source: Visual Build Professional
Date: 10/25/2007 4:53:43 PM
Event ID: 1
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: VISTA_ENT_QA
Description:
Initialization of tree component failed.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Visual Build Professional" />
<EventID Qualifiers="49152">1</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2007-10-25T22:53:43.000Z" />
<EventRecordID>453</EventRecordID>
<Channel>Application</Channel>
<Computer>VISTA_ENT_QA</Computer>
<Security />
</System>
<EventData>
<Data>Initialization of tree component failed.</Data>
</EventData>
</Event>