Windows Server 2008 Enterprise R2.  SQL Server 2005 Express.
I have had nothing but problems with the purported SQL Server 2005 Express Service Pack 4 installation.  It failed over and over on the regular automatic updates (and left some important services stopped).  So I followed some advice in these forums and tried to install the service pack "manually" by downloading and running:
http://www.microsoft.com/download/en/details.aspx?id=184
This not only did not update my existing SQL 2005 Express instance (GNHOST\BKUPEXEC) to SP4, it created a new instance named (GNHOST\SQLEXPRESS).  I have two questions:
1.  How can I get rid of the unecessary instance (GNHOST\SQLEXPRESS)?
2.  How can I disable Windows Update from EVER trying to install the service pack 4 again?
I have been round and round, ...

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