MSN IM Live Errors Please Help

Just got these errors today:

Event Type: Error
Event Source: DCOM
Event Category: None
Event ID: 10005
Date: 7/7/2006
Time: 9:57:13 PM
User: TGKW001\Thomas R Grassi Jr
Computer: TGKW001
Description:
DCOM got error "193 is not a valid Win32 application. " attempting to start
the service usnsvc with arguments "" in order to run the server:
{736F8997-C651-4C45-BC43-8AF8369890F1}

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.

Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7000
Date: 7/7/2006
Time: 9:57:13 PM
User: N/A
Computer: TGKW001
Description:
The Messenger Sharing USN Journal Reader service service failed to start due
to the following error:
Messenger Sharing USN Journal Reader service is not a valid Win32
application.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.

Event Type: Information
Event Source: Service Control Manager
Event Category: None
Event ID: 7035
Date: 7/7/2006
Time: 9:57:30 PM
User: NT AUTHORITY\SYSTEM
Computer: TGKW001
Description:
The Messenger Sharing USN Journal Reader service service was successfully
sent a start control.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.

Event Type: Information
Event Source: Service Control Manager
Event Category: None
Event ID: 7036
Date: 7/7/2006
Time: 9:57:30 PM
User: N/A
Computer: TGKW001
Description:
The Messenger Sharing USN Journal Reader service service entered the running
state.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.


Any ideas or thoughts

Tom