C# process =An error occurred trying to start process with working directory The specified executable is not a valid application for this OS platform.

 using System.Diagnostics;
// See https://aka.ms/new-console-template for more information
Console.WriteLine("Hello, World!");
string path= @"..\..\..\Image";
string fullPath = System.IO.Path.GetFullPath(path);
var imgsList = System.IO.Directory.GetFiles(fullPath);
foreach (var img in imgsList)
{
    Console.WriteLine(img);
    ProcessStartInfo startInfo = new ProcessStartInfo(img);    
    startInfo.WindowStyle = ProcessWindowStyle.Maximized;
    //startInfo.UseShellExecute = true;
    Process.Start(startInfo);
}



System.ComponentModel.Win32Exception
  HResult=0x80004005
  Message=An error occurred trying to start process 'D:\C\ConsoleApp69\Image\1.jpg' with working directory 'D:\C\ConsoleApp69\bin\Debug\net8.0'. The specified executable is not a valid application for this OS platform.
  Source=System.Diagnostics.Process
  StackTrace:
   at System.Diagnostics.Process.StartWithCreateProcess(ProcessStartInfo startInfo) in /_/src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.Windows.cs:line 611
   at System.Diagnostics.Process.Start(ProcessStartInfo startInfo) in /_/src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.cs:line 1350
   at Program.<Main>$(String[] args) in D:\C\ConsoleApp69\Program.cs:line 13



https://stackoverflow.com/questions/46808315/net-core-2-0-process-start-throws-the-specified-executable-is-not-a-valid-appl

 

 

Copy solution from 

https://stackoverflow.com/questions/46808315/net-core-2-0-process-start-throws-the-specified-executable-is-not-a-valid-appl

 

 

//set the UseShellExecute property of ProcessStartInfo to true
using System.Diagnostics;
// See https://aka.ms/new-console-template for more information
Console.WriteLine("Hello, World!");
string path= @"..\..\..\Image";
string fullPath = System.IO.Path.GetFullPath(path);
var imgsList = System.IO.Directory.GetFiles(fullPath);
foreach (var img in imgsList.Take(5))
{
    Console.WriteLine(img);
    ProcessStartInfo startInfo = new ProcessStartInfo(img);    
    startInfo.WindowStyle = ProcessWindowStyle.Maximized;
    startInfo.UseShellExecute = true;
    Process.Start(startInfo);
}