How to Fix Problems with Thumbnails on Windows 10 Share May 31, 2020 Dm4r Technology In Windows 10, sometimes thumbnail icons have a white or black border behind them, appear blank, or just display improperly. You can often quickly fix the issue by deleting the Windows thumbnail cache. Here’s how. Read This Article on How-To Geek › Source : How to Fix Problems with Thumbnails on Windows 10
