Doh, looks like the an old antigen issue has crept in.
Source: http://support.microsoft.com/kb/939365
Anyway, you should try an get this fix, as it’s a FULL installation, all 30ish MB
It gives you version 10.0.0701.0, which is later than rollup 1
Also looks like it might have fixed my issue with the Microsoft Exchange Transport service failing due to the FSEIMC service hanging
Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7022
Description:
The FSEIMC service hung on starting.
Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7001
Description:
The Microsoft Exchange Transport service depends on the FSEIMC service which failed to start because of the following error:
After starting, the service hung in a start-pending state.
I will keep you updated!