SQL Server Troubleshooting

Installation

SQL Server 2008, creating a merged (slipstreamed) drop
How to fix your SQL Server 2008 Setup before you run setup
Installation order for Visual Studio 2008 SP1, Team Explorer and SQL Server 2008 - by Jamie Thomson
969985 - How to install Microsoft Visual Studio 2008 Team Foundation Server on a computer that has SQL Server 2008 Service Pack 1 installed
970669 - SQL Server 2008 specific folders are created on systems with SQL Server 2005 starting SP3 and above to prevent upgrade failures to SQL Server 2008 at a later time
976448 - Install and enable the MapPoint SQL Server add-in

955396 - How to troubleshoot SQL Server 2008 Setup issues
2216465 - Slipstream installation of SQL Server 2008 fails if the /PCUSOURCE or /CUSOURCE has a space in the path
2008982 - You are repeatedly prompted to restart the computer when installing SQL Server 2008
970667 - SQL Server 2008 setup may fail with "Setup Failure in SetupActionName: cusetfeatureinstallstateaction" error message
970771 - SQL Server 2008 setup may fail with an unknown exception on MSVCR80.DLL
2000225 - Error message when you install SQL Server 2008 Service pack 1 on systems upgraded from Windows 2003: "SQL server 2008 Setup requires Microsoft .NET framework 2.0 SP2 to be installed"
981157 - The SQL Server 2008 installation fails and corrupts the SQL Server 2008 R2 installation
958655 - Error message when you use Windows Installer (MSI) 4.5 to install multiple MSI packages in Windows Server 2008, Windows Vista, Windows Server 2003 or Windows XP: "API call rejected - No actions in Context" likely to be encountered during the installation of SQL Server 2008 or during an upgrade from SQL Server 2005 to SQL Server 2008

953748 - Error message when you install SQL Server 2008 on a Windows Server 2008-based cluster: "The cluster either has not been verified or there are errors or failures in the verification report. Refer to KB953748 or SQL server books online"
973992 - The default setting is used instead of the setting that is specified in the "Prepare Failover Cluster" stage when you perform an advanced cluster installation of a Microsoft SQL Server 2008 failover cluster
2003488 - SQL Server failover installation fails when the setup account does not have permissions on Windows time service
975951 - You receive an error message when you set up a SQL Server 2008 failover cluster on a subnet that only contains IPv6 addresses

2216468 - Error message when you try to install a SQL Server 2008 cumulative update or service pack: "The patch installer has failed to update the shared features"

909967 - How to uninstall an instance of SQL Server 2005 manually
How do I remove previous versions of SQL Server 2005 / Whidbey? - on ASPFAQ.com
915854 - You receive an error message when you try to uninstall the second named instance of SQL Server 2005
955250 - Error message when you try to uninstall a SQL Server 2005 Express Edition hotfix package: "1731 The source installation package for the product [2] is out of sync with the client package"
922209 - The SQL Server 2005 Setup program does not remove all IP address cluster resources when you uninstall SQL Server 2005
909953 - How to uninstall SQL Server Management Studio
2015126 - How to Uninstall SQL Compact 3.5 after installing SQL Server 2008
How to: Uninstall SQL Server Express
922670 - How to use the Add or Remove Programs item in Control Panel to add or remove components for stand-alone installations and clustered installations of SQL Server 2005
290301 - Description of the Windows Installer CleanUp Utility
How to uninstall an application when it does not appear in Add/Remove Programs - by Aaron Stebner