This is just a quick post to inform you that if you cannot see or access the Windows Photo Viewer in Windows 10 that it is possible to restore it.
Simply save the below as RestorePhoto.reg somewhere on a local disk and then double click the file.
Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\SOFTWARE\Classes\.bmp] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.cr2] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.gif] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.ico] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.jfif] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.jpeg] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.jpg] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.png] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.tif] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.tiff] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Classes\.wdp] @="PhotoViewer.FileAssoc.Tiff" [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.bmp\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.cr2\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.gif\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.ico\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpeg\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.bmp\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jfif\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpeg\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jpg\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.png\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.tif\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.tiff\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0): [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.wdp\OpenWithProgids] "PhotoViewer.FileAssoc.Tiff"=hex(0):
great post