WScript.Shell Run gives "No application is associated with the specified file for this operation." when opening images. - silverlight-5.0

Question

I am facing an issue while trying to open an image file from a Silverlight app in Windows 10 using WScript.Shell.
The code is as follows.
try
{
dynamic shell = AutomationFactory.CreateObject("WScript.Shell");
shell.Run(#"C:\temp\X.jpg");
}
catch (Exception ex)
{
MessageBox.Show(ex.StackTrace);
}
This piece of code works perfectly fine when the default application is set to 'Photos' / 'Internet Explorer' in Windows 10 'Default Apps' settings.
However, when the default app is set to 'Paint', I get an exception
"No application is associated with the specified file for this operation. (Exception from HRESULT: 0x80070483)"
Please note that when I try to double click on the same image in Windows explorer, it opens up in Paint application without errors.
Why does this happen?
Please help.

Answer 1

Problem
windows script host not running desired application for known file type
Solution
expressly specify the desired application and run using WScript.Shell Object
Example
in the example below, we reference both the program and the file we want to run with strRunLine
<?xml version="1.0"?>
<package>
<job id="default">
<script language="jscript">
<![CDATA[
// save to demo_runpaint.wsf
var WshShell = new ActiveXObject("Wscript.Shell");
var strRunLine = "";
strRunLine = "mspaint.exe C:/path/to/capture.png";
WshShell.Run( strRunLine );
]]>
</script>
</job>
</package>
Pitfalls
the desired program must be in your system PATH or else you must specify the full path to the application expressly.