Win10找回默认的Windows照片查看器

把以下代码一字不差的保存成.reg格式

Windows Registry Editor Version 5.00

 ; Change Extension's File Type
 [HKEY_CURRENT_USER\Software\Classes\.jpg]
 @="PhotoViewer.FileAssoc.Tiff"

 ; Change Extension's File Type
 [HKEY_CURRENT_USER\Software\Classes\.jpeg]
 @="PhotoViewer.FileAssoc.Tiff"

 ; Change Extension's File Type
 [HKEY_CURRENT_USER\Software\Classes\.gif]
 @="PhotoViewer.FileAssoc.Tiff"

 ; Change Extension's File Type
 [HKEY_CURRENT_USER\Software\Classes\.png]
 @="PhotoViewer.FileAssoc.Tiff"

 ; Change Extension's File Type
 [HKEY_CURRENT_USER\Software\Classes\.bmp]
 @="PhotoViewer.FileAssoc.Tiff"

 ; Change Extension's File Type
 [HKEY_CURRENT_USER\Software\Classes\.tiff]
 @="PhotoViewer.FileAssoc.Tiff"

 ; Change Extension's File Type
 [HKEY_CURRENT_USER\Software\Classes\.ico]
 @="PhotoViewer.FileAssoc.Tiff"

保存好文件后，双击运行即可。