Howdy Erwin,

Regarding the font problem you mention above, the following is taken from the Knowledge Base FAQ on this problem:
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What should I do if the setup program says the Harmony music font cannot be installed?


The MidiNotate setup program might display this error message:

The music font (named 'Harmony') could not be installed. If MidiNotate does not display notes and other music symbols then please visit out web site FAQ page...

This problem may occur if prior to running the setup program you had run another version of MidiNotate which abnormally terminated. In that case, the Harmony music font may left locked by the abnormally terminated program, and cannot be replaced by the setup program.

To fix this problem, you can manually install the Harmony font using the Windows Control Panel / Fonts folder. First, remove any the copy of the Harmony font currently in the folder. If it cannot be removed, then reboot Windows and try again. After removing the Harmony font, use the Install New Font command in the File menu of the Windows Control Panel / Fonts folder. Install the Harmony font from its location: CProgram FilesNotation Software, IncMidiNotateharmony_.ttf.

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Did you try doing this manual installation of the font? Hopefully that will take care of your problem

ttfn,
Sherry