The cached patch file "{0}" is missing. The original file for this cached file is "{1}", which can be installed from "{2}", ...

The cached patch file "{0}" is missing. The original file for this cached file is "{1}", which can be installed from "{2}", version {3}.

For more information about how to resolve this problem, see "Steps to resolve missing media issue with SQL Server 2008 R2" (http://go.microsoft.com/fwlink/?LinkId=144387) in the Microsoft Knowledge Base.