If however, I reorder the WMI queries, and move the newly created entry above an existing (and visible) one, the column name appears with the previously-positioned columns results, and the previously visible column heading now disappears... for example (in which I only have built-in "options" selected, and custom WMI queries)...

All columns are selected to be visible in the 'Visible Colums' dialog - however if I open the WMI selection window, there are two additional queries at the bottom that are missing columns (both valid queries, both don't show in the 'Visible Columns' screen either)...

If I move the two missing entries from the bottom to above some existing columns...

The column headings adjust on the results screen (but the existing remain where they are, instead of moving with the heading), with the two newer column headings now visible, but now the two WMI queries that are at the bottom of the list are missing...

The only way I've been able to get this to work once columns start disappearing is to blow away the current config and create it all from scratch again