Keep your system up to date with the most recent cumulative update package for SQL Server 2008 SP2. This package contains all of the SQL Server 2008 hotfixes that have been released since the initial release of SQL Server 2008 SP2.
Understanding Incremental Servicing Model for SQL Server
CU#2 KB Article: http://support.microsoft.com/kb/2467239
SQL Server Support Information: http://support.microsoft.com/ph/2855
- CU#1 KB Article: http://support.microsoft.com/kb/2289254
SQL Server Sustained Engineering