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System.ComponentModel.Win32Exception c#

This is my code:
string damnfile = System.IO.Path.GetDirectoryName(choofdlog.FileName);
ProcessStartInfo startInfo = new ProcessStartInfo("% ProgramFiles %\\Windows Defender\\MpCmdRun.exe");
startInfo.WindowStyle = ProcessWindowStyle.Maximized;
startInfo.Arguments = "-Scan -ScanType 3 -File" + damnfile;
Process p = new Process();
p.StartInfo = startInfo;
p.Start();
As you can see, I want to run WinDefender scan for a specific file, but it throws error that the process is not found, but this code works:
ProcessStartInfo startInfo = new ProcessStartInfo("netstat");
startInfo.WindowStyle = ProcessWindowStyle.Maximized;
startInfo.Arguments = "-a";
Process p = new Process();
p.StartInfo = startInfo;
p.Start();
Also I want in the second code to redirect the cmd output to listBox, but thats the second problem, first help me with the defender scan please.

Solveded like now its opening, because I replaced
ProcessStartInfo startInfo = new ProcessStartInfo("% ProgramFiles %\\Windows Defender\\MpCmdRun.exe");
with
ProcessStartInfo startInfo = new ProcessStartInfo(#"C:\Program Files\\Windows Defender\\MpCmdRun.exe");
Now appeared another problem: even I passed some arguments, the windows immediately close.

c# Process exe with arguments gives error

I sort of stuck into what should be a small issue. I need to run two different processes but the second failures.
My first process is:
string workingDirectory = "c:\\xxxx\\bin\\";
string fileName = "xxxx.xxxx.cmd";
string arguments = "-Sxxxx -f -d --port xxxx > c:\\xxxx\\tmp\\bug.log 2>&1";
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.WorkingDirectory = workingDirectory;
startInfo.FileName = fileName;
startInfo.Arguments = arguments;
Process process = new Process();
process.StartInfo = startInfo;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.Start();
No worries here. Everything works but the second.
string workingDirectory = "c:\\xxxx\\bin\\";
string fileName = "WebDaemon.exe";
string arguments = "-debug -i WebDaemon.xxxx.1234 --ServerPort=4444 --MultipleServerPorts=1 --CGIPort=4500 --CGICallbackPort=4600 --MinServerProcs=2 --MaxServerProcs=2 > c:\\xxxx\\tmp\\WebDaemonTrace.log 2>&1";
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.WorkingDirectory = workingDirectory;
startInfo.FileName = fileName;
startInfo.Arguments = arguments;
Process process = new Process();
process.StartInfo = startInfo;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.Start();
Gives an error. The process created and shows up in taskmanager, but after 5 seconds it disappears. Furthermore i can read in a debug message that:
"commandline argument '>' is unknown"
I cannot seem to find the problem. Open to any suggestions :-)

Create a process that execute powershell in C# but failed outpt

I dont know where is my missing. Even it dit not write out log. Could you fix my test code:
private void button1_Click(object sender, EventArgs e)
{
try
{
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = #"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe";
startInfo.Arguments = #"/C Import-Module AppLocker;Set-AppLockerPolicy -XMLPolicy 'iPolicy.xml' > C:\log.txt";
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
//startInfo.RedirectStandardOutput = true;
//startInfo.RedirectStandardError = true;
//startInfo.UseShellExecute = false;
//startInfo.CreateNoWindow = false;
Process process = new Process();
process.StartInfo = startInfo;
process.Start();
process.WaitForExit();
}
catch (Exception ex) {
Debug.Print("Error: " + ex.Message);
}
}

Finally got it to work, code should look like this:
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = #"cmd.exe";
startInfo.Arguments = #"/C powershell.exe /C Import-Module AppLocker;Set-AppLockerPolicy -XMLPolicy 'iPolicy.xml' > C:\log.txt";
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
Process process = new Process();
process.StartInfo = startInfo;
process.Start();
process.WaitForExit();
This worked for me! You can use full paths to cmd.exe and powershell.exe if you feel necessary, it's not that important here.

Running multiline command of *.cmd file from C# Code

I have a file in E drive E:\1\2\Abc.cmd and following line written in this file
#:again
#..\xyz.exe param1 param2
#goto again
xyz.exe path is E:\1\xyz.exe
If I double click on abc.cmd then it is working fine but it is throwing exception when running form C# code. Saying “..\xyz.exe is not recognized as internal or external commad”.
I have written following code
System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.FileName = #"E:\1\2\Abc.cmd";
process.StartInfo = startInfo;
process.Start();

Use this code
System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.FileName = "E:\\1\\2\\Abc.cmd";
startInfo.WorkingDirectory = "E:\\1\\2\\";
process.StartInfo = startInfo;
process.Start();

Command line run error

After looking on forums, I have written this snippet:
public string ExecuteCmd()
{
System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
startInfo.FileName = "cmd.exe";
startInfo.Arguments = this.m_command;
process.StartInfo = startInfo;
process.Start();
string output = process.StandardOutput.ReadToEnd();
process.WaitForExit();
return output;
}
The m_command is member of a class, initialized in the constructor.
For my tests, it is net user. When the compiler arrives at this point, I get the following exception:
StandardOut has not been redirected or the process hasn't started yet.
Where is my mistake?

You need this:
//....
startInfo.Arguments = "/C " + this.m_command;
process.StartInfo = startInfo;
process.StartInfo.RedirectStandardOutput = true;
process.Start();
//....