(imported comment written by Lee Wei)
The 2nd droplist with the label “Baseline” dynamically populates with baselines you have created in the system.
So this means that you don’t have a baseline with the name “Microsoft Service Packs and Updates”.
This report is not a good one to show all the updates installed on a group of computers.
Actually, there is not a very good way to show installed patches. TEM is good at showing what is missing, rather than what has been installed.
Search the forum on installed patches and you will find some discussions including this one: