No Open Command Found


We strongly recommend having your IT department making the below changes. 


If you are experiencing the above error or similar, below is the corresponding registry snippet below and save it into a .reg file to be run on the computer having this issue.  Your IT may also also have to grant permissions to make the necessary changes to your machines registry.


NOTE: Before you make any changes to the registry, always make sure to make a backup in case anything goes wrong.


PNG file type

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\pngfile\shell\open]
"MuiVerb"="@%ProgramFiles%\\Windows Photo Viewer\\photoviewer.dll,-3043"

[HKEY_CLASSES_ROOT\pngfile\shell\open\command]
"(Default)"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
  74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,72,\
  00,75,00,6e,00,64,00,6c,00,6c,00,33,00,32,00,2e,00,65,00,78,00,65,00,20,00,\
  22,00,25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,00,6c,00,65,\
  00,73,00,25,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,20,00,50,00,\
  68,00,6f,00,74,00,6f,00,20,00,56,00,69,00,65,00,77,00,65,00,72,00,5c,00,50,\
  00,68,00,6f,00,74,00,6f,00,56,00,69,00,65,00,77,00,65,00,72,00,2e,00,64,00,\
  6c,00,6c,00,22,00,2c,00,20,00,49,00,6d,00,61,00,67,00,65,00,56,00,69,00,65,\
  00,77,00,5f,00,46,00,75,00,6c,00,6c,00,73,00,63,00,72,00,65,00,65,00,6e,00,\
  20,00,25,00,31,00,00,00
@="%SystemRoot%\\System32\\rundll32.exe \"%ProgramFiles%\\Windows Photo Viewer\\PhotoViewer.dll\", ImageView_Fullscreen %1"

[HKEY_CLASSES_ROOT\pngfile\shell\open\dropfile]
"Clsid"="{FFE2A43C-56B9-4bf5-9A79-CC6D4285608A}"



JPG file type


Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\jpegfile\shell\open]
"MuiVerb"=hex(2):40,00,25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,\
  69,00,6c,00,65,00,73,00,25,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,\
  00,20,00,50,00,68,00,6f,00,74,00,6f,00,20,00,56,00,69,00,65,00,77,00,65,00,\
  72,00,5c,00,70,00,68,00,6f,00,74,00,6f,00,76,00,69,00,65,00,77,00,65,00,72,\
  00,2e,00,64,00,6c,00,6c,00,2c,00,2d,00,33,00,30,00,34,00,33,00,00,00

[HKEY_CLASSES_ROOT\jpegfile\shell\open\command]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
  00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,72,00,75,00,\
  6e,00,64,00,6c,00,6c,00,33,00,32,00,2e,00,65,00,78,00,65,00,20,00,22,00,25,\
  00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,00,6c,00,65,00,73,00,\
  25,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,20,00,50,00,68,00,6f,\
  00,74,00,6f,00,20,00,56,00,69,00,65,00,77,00,65,00,72,00,5c,00,50,00,68,00,\
  6f,00,74,00,6f,00,56,00,69,00,65,00,77,00,65,00,72,00,2e,00,64,00,6c,00,6c,\
  00,22,00,2c,00,20,00,49,00,6d,00,61,00,67,00,65,00,56,00,69,00,65,00,77,00,\
  5f,00,46,00,75,00,6c,00,6c,00,73,00,63,00,72,00,65,00,65,00,6e,00,20,00,25,\
  00,31,00,00,00

[HKEY_CLASSES_ROOT\jpegfile\shell\open\DropTarget]
"Clsid"="{FFE2A43C-56B9-4bf5-9A79-CC6D4285608A}"



BMP file type


Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\Paint.Picture\shell\open]
"MuiVerb"="@%ProgramFiles%\\Windows Photo Viewer\\photoviewer.dll,-3043"

[HKEY_CLASSES_ROOT\Paint.Picture\shell\open\command]
"(Default)"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
  74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,72,\
  00,75,00,6e,00,64,00,6c,00,6c,00,33,00,32,00,2e,00,65,00,78,00,65,00,20,00,\
  22,00,25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,00,6c,00,65,\
  00,73,00,25,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,20,00,50,00,\
  68,00,6f,00,74,00,6f,00,20,00,56,00,69,00,65,00,77,00,65,00,72,00,5c,00,50,\
  00,68,00,6f,00,74,00,6f,00,56,00,69,00,65,00,77,00,65,00,72,00,2e,00,64,00,\
  6c,00,6c,00,22,00,2c,00,20,00,49,00,6d,00,61,00,67,00,65,00,56,00,69,00,65,\
  00,77,00,5f,00,46,00,75,00,6c,00,6c,00,73,00,63,00,72,00,65,00,65,00,6e,00,\
  20,00,25,00,31,00,00,00
@="%SystemRoot%\\System32\\rundll32.exe \"%ProgramFiles%\\Windows Photo Viewer\\PhotoViewer.dll\", ImageView_Fullscreen %1"


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