SharePoint 3.0: Command for Forcing Hotfix Installation

From "%COMMONPROGRAMFILES%\Microsoft Shared\web server extensions\12\bin", run this command:

psconfig.exe –cmd upgrade –inplace b2b –force


Reference

Microsoft (2010). Command-line reference for the SharePoint Products and Technologies Configuration Wizard (Office SharePoint Server). Retrieved June 17, 2010 from http://technet.microsoft.com/en-us/library/cc263093(office.12).aspx.