Cannot Connect to Server after Upgrade

After performing several MS upgrades from MS site, the following error occurs when trying to connect to my local (single computer) Database
Engine using SQL Server Express 2008 Express:
TITLE: Connect to Server
Cannot connect to SR1320NX\SQLEXPRESS.
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not
found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 2)
Note that one of the MS upgrades performed was for
Microsoft SQL Server 2008 Service Pack 3 (KB2546951).
Additionally, some of the upgrades did not initially install correctly, although they all eventually did install correctly.
The following is my SQL Server 2008 Express configuration:
Microsoft SQL Server Management Studio
10.0.5500.0
Microsoft Data Access Components (MDAC)
3.85.1132
Microsoft MSXML
2.6 3.0 4.0 6.0
Microsoft Internet Explorer
8.0.6001.18702
Microsoft .NET Framework
2.0.50727.3649
Operating System
5.1.2600
And my operating system:
Microsoft Windows XP, Home Edition, Version 2002, Service Pack 3

try below links for troubleshooting.
http://blog.sqlauthority.com/2009/05/21/sql-server-fix-error-provider-named-pipes-provider-error-40-could-not-open-a-connection-to-sql-server-microsoft-sql-server-error/
http://social.technet.microsoft.com/wiki/contents/articles/2102.how-to-troubleshoot-connecting-to-the-sql-server-database-engine.aspx
http://stackoverflow.com/questions/360141/how-to-connect-to-local-instance-of-sql-server-2008-express
Please mark solved if I've answered your question, vote for it as helpful to help other users find a solution quicker
Praveen Dsa | MCITP - Database Administrator 2008 |
My Blog | My Page

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