For other versions, such as DEVELOPER, the steps are the same. However, the Server folder and the Tools folder must be copied from the SQL Server 2005 disc to the Edition\SP2 folder in this step.
Uninstall the SQL Server 2005 Express Edition hotfix package again.
Delete the cache location that was created in step 4 to prevent Windows Installer from accessing the incorrect media during future installation or uninstallation operations. For example, delete the following folder: