Missing Groove Agent SE and Halion Sonic SE in Elements

Running Windows 10 32 bit. Initially a Cubase 5.5 LE user then upgraded to 8 Elements.

Went to assign a track and couldn’t find the subject instrtuments anywhere. Looked into directories and didnt’ find anything there either.

I downloaded the Groove add on Acoustic Agent and it did create folders in the Tree view but they were empty.

Also have erratic results from the filter pane in the track assignment window.