Can't open, uninsall or reinstall MuseHub

I opened Musehub, and it started downloading Muse strings, though it appeared frozen. Then I was informed that I needed to download Muse Hub. Nothing was happening so I closed it. Now it won't open. On the start page, there is a white line with Musehub, which I assume means that it didn't finish downloading. Now I can no longer open, download, or delete Musehub, and I have lost Muse strings, which I previously had.

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Musehub Open.png 572.39 KB