What should I change in system settings to

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C#3.5

Hi,
i'm trying to launch application that works well on Win7, but on Win10 causes an error.

GetProcessesByName with parameter "127.0.0.1| does not work on Win10.

anyone knows why?

static void Main(string[] args)
        {
            try
            {
                Process[] processesByName = Process.GetProcessesByName("vshost32.exe", "127.0.0.1");
                if (processesByName.Length == 0)
                {
                    Console.WriteLine("false");
                }
                else
                {
                    Console.WriteLine("true");
                }
            }
            catch (InvalidOperationException exception)
            {
                Console.WriteLine(exception);
            }

            Console.ReadLine();

        }

error:

DESKTOP-SJPDB4K\Administrator [2020-05-24 18:37:56,286] ERROR - Error checking process status
System.InvalidOperationException: Cannot connect to remote machine. ---> System.InvalidOperationException: Cannot read value from counter performance. ---> System.ComponentModel.Win32Exception: Cannot find remote path.

   w System.Diagnostics.NtProcessManager.GetProcessInfos(String machineName, Boolean isRemoteMachine)
   w System.Diagnostics.Process.GetProcesses(String machineName)
   w System.Diagnostics.Process.GetProcessesByName(String processName, String machineName)

What I have tried:

i tried many things like
- changing settings of firewall
- disabling firewall
- add a line "127.0.0.1 localhost" to c:\windows\system32\drivers\etc\hosts

nothing helped.