W19019 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
W20016 manifest for SAS Merchandise Intelligence Workbench Server 5.4
W21016 manifest for SAS Merchandise Solutions Configuration Workbench 5.4
W22016 manifest for SAS Merchandise Intelligence Plug-in for SAS Management Console 5.4
W23016 manifest for SAS Merchandise Intelligence Client 5.4
W24016 manifest for SAS Merchandise Intelligence Mid-Tier 5.4
Z35008 manifest for SAS Pack Optimization Mid-Tier LASR Configuration 3.4
Z36008 manifest for SAS Size Profiling Mid-Tier LASR Configuration 3.4
Y07011 manifest for SAS Size Profiling Server 3.4
A9K004 manifest for SAS Pack Optimization Server 3.4
Z33012 manifest for SAS Merchandise Intelligence Server 5.4