Cumulative Update #1 for SQL Server 2005 Service Pack 3
Microsoft has just released the Cumulative Update #1 for SQL Server 2005 Service Pack 3; this CU is specially compiled for customers that had SQL Server 2005 SP2 with CU10 or CU11; if you’re not in this case, you should avoid installing this CU;
More info at Microsoft SQL Server Release Services (http://blogs.msdn.com/sqlreleaseservices/archive/2008/12/20/cumulative-update-1-for-sql-server-2005-service-pack-3.aspx)