Thread: Calibre 4.0-4.2 ebook reader shows distorted pages
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Old 10-20-2019, 09:58 PM   #6
kovidgoyal
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That's a graphics driver incompatibility with Qt WebEngine. Try updating your drivers, though if you are on windows 7 it might not work at all and you will have to stick with version 3.48 until you can update windows.
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