fonts disappearing in MGI Photosuite

I installed MGI Photosuite III Platinum and I'm running Windows 7 in compatibility mode. It ran just fine for awhile, and I was especially pleased to see that some fonts that didn't work in XP were fine with 7. But when I reopened a document (.pzp) created with the program, it wouldn't recognize those fonts, and in fact many previously-working fonts had disappeared from the list. There were also now many new fonts I'd never seen before. I uninstalled and reinstalled the program (restarted the computer in between), with no apparent effect on the problem. The cool old fonts are gone, replaced with many new ones. Another oddity (noncritical, but perhaps may offer a clue): the program logo/icon initially appeared in the taskbar at the bottom of the screen. At or about the time of the font issue, that icon changed to a generic one, though it still works. Any idea how to get my fonts back? Thanks.

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