通过注册表找回旧版的照片查看器（Windows Photo Viewer）
reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Photo Viewer\Capabilities\FileAssociations" /v .bmp /d PhotoViewer.FileAssoc.Tiff /f reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Photo Viewer\Capabilities\FileAssociations" /v .jpeg /d PhotoViewer.FileAssoc.Tiff /f reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Photo Viewer\Capabilities\FileAssociations" /v .png /d PhotoViewer.FileAssoc.Tiff /f reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Photo Viewer\Capabilities\FileAssociations" /v .jpg /d PhotoViewer.FileAssoc.Tiff /f