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: ErrorEvent Source: Service Control ManagerEvent Category: NoneEvent ID: 7022Description:The FSEIMC service hung on starting.Event Type: ErrorEvent Source: Service Control ManagerEvent Category: NoneEvent ID: 7001Description: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!
Just an update from my previous blog . Computer Says no, well it actually still says Could not start