Recently i have installed SQL Server 2008 Service Pack 1 with Cumulative update package 10 on production SQL Servers,
1. Before installing make sure to stop SQL Services from SQL Configuration Manager
2. Stop fdhost.exe and Windows Management Instrumentation form Services
3. Make sure Windows Installer service is started.
http://support.microsoft.com/?kbid=2279604
Note This build of the cumulative update package is also known as build 10.00.2799.00.
