If your Windows 10 thumbnail preview is not working then this video is perfect for you. In this video, I show you how to fix this issue in just a few steps.
Registry Editor Dir Location: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Taskband
Make sure to copy down the commands on paper or something before you enter them.
CMD commands :
■ taskkill /f /im explorer.exe
■ start explorer.exe
