I suspect you are right.

If the O/P reads this (or any one else with the same problem), look in:
x:\bb\Demos\RealTracks - Demos\
check to see if you have these two BM_CWLTZ demo files, and delete (perhaps rename) the highlighted one shown here:

Attached Files (Click to download or enlarge) (Only available when you are logged in)
2022-01-24_12-38-02.jpg (70.72 KB, 60 downloads)

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