[Depeche72]

Thanks for spotting and reporting this. While I fix the sorting you could create yourself a folder type custom node for Top 100 that will work correctly (and actually be faster too).

It is using the original (pre v15) way Kodi had to define the Top 100 album and songs node on the music lib screen. This has been superseded by filter type nodes that use same rules as smart playlists, which more flexible but any sorting and limits are applied in memory after all albums or songs have been fetched and so slower.

Create file Top100Folder.xml

Code:

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<node order="69" type="folder" visible="Library.HasContent(Music)">
  <label>Top 100 Fix</label>
  <icon>DefaultMusicRecentlyPlayed.png</icon>
  <path>musicdb://top100/</path>
</node>

If you have not created custom nodes (either manually or using an addon) before then you will need to copy the defaullt node layout (implemented as folders and xml files) from  <kodi installed folder>system/library/music  to userdata/library/music. Then add Top100Folder.xml to userdata/library/music. When running Kodi "Top 100 Fix" will appear on the music screen, and clicking on it leads to "Top 100 albums" and "Top 100 songs"

I can give more details if you need it. 

 Great...thanks for your help!
I will maybe reinstall Kodi 18 on my HTPC I have in my living room then.
I'm at the moment trying it on another computer just to see if anything else isn't working for me.