#0x64c

The error prompt, "ERROR_INSTALL_SOURCE_ABSENT" or the error code 1612 is a problem returned by the system after a successful attempt to install or uninstall Microsoft Office XP SP1 while also installing unrelated programs such as Microsoft FrontPage 2002, Microsoft FrontPage 2002 Standard Edition, Microsoft Publisher 2002, Microsoft Publisher 2002 Standard Edition, Microsoft Access 2002 or the Microsoft Access 2002 Standard Edition. The error code 1612 is fixed by going to Microsoft Windows Installer CleanUp Utility and uninstalling any of these programs when necessary.