Corel Font Manager 2018 will not recognize Certain Font Folders

Corel Font Manager 2018 will not recognize Certain Font Folders. When I open myWIndows FIle managere the folders with a font overlay in the icon are the folders the do not whow up in Font Manager. Why is this. See attached JPG screen cap. "fonts", "Fonts from Rudy" and hte "Fonts Old" folders are not visible and are marked with an "A" on the folder icon in WINdows 10 file manager.

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