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Editorial Team
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Asked: 2026-05-22T20:20:58+00:00

When I run the following code below in a command prompt (as administrator): C:\Program

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When I run the following code below in a command prompt (as administrator):

"C:\Program Files\Windows Photo Viewer\PhotoViewer.dll" "C:\00012.tif"

it produces error as shown below :

“This file does not have a program associated with it for performing this action. Please install a program or, if one is already installed, create an associated in the Default Programs control panel.”

Both .tif and .tiff are associated in the Default programs control panel.

I am trying to call this from a .net windows app.

Any help is appreciated.

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1 Answer

  1. Editorial Team

    rundll32 “C:\Program Files\Windows Photo Viewer\PhotoViewer.dll” “C:\00012.tif”

    For running a dll, there is rundll32.

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