When you uninstall MSDE by accident

1.      Click Start, click Run, type cmd, and then click OK. 2.      At the command prompt, switch to the MSDE2000a folder on the CCP distribution media. 3.      Type setup.exe SAPWD="strong_password" INSTANCENAME="COMPUTECLUSTER", and then press ENTER. Note The strong_password placeholder represents the System Administrator (SA) password. 4.      Type exit, and then press ENTER. 5.      Click Start, click Run, type services.msc, and then click OK. 6.      Start MSSQL$COMPUTECLUSTER service 7.      Click Start, click Run, type appwiz.cpl, and then click OK. 8.      In the Currently installed programs list, click Microsoft Compute Cluster Pack, and then click Remove. 9.      Follow the instructions to remove the CCP. 10.      Click Microsoft SQL Server Desktop Engine, and then click Remove. 11.      Follow the instructions to remove MSDE. 12.     Rerun the CCP setup file as required to re-create the Windows Compute Cluster Server 2003 head node. Thanks for CY..