This script will be useful if you want to monitor if a process is frozen or not. The process manage files in a specific location (read, write and delete). The purpose is :

• check the number of files in the working directory of the process
• check the process “WriteTranferCount” information to see if the process is not frozen

If the process monitor detects a frozen status, a mail is sent

Script :

if (((Get-ChildItem "\\server\path\process_working_directory").count) -gt 1) {
	if (Test-Path "c:\temp\process-chk.log") {
		$previous_value = Get-Content "c:\temp\process-chk.log"
	}
	$new_value = Get-WmiObject Win32_Process -ComputerName "server" | `
	where {$_.Name -eq 'processName.exe'} | `
	foreach {"$($_.WriteTransferCount)"}

	if ($new_value -ne $previous_value) {
		Write-Host "Process OK"
	}
	else {
		$message_success = "The process on the server is frozen."

		$emailFrom = "support@mail.domain.local"
		$emailTo = "'support@mail.domain.local','johndoe@mail.domain.local'"
		$subject = "PROBLEM : SERVER PROCESS NAME FROZEN"
		$smtpServer = "smtp_default"
		$smtp = new-object Net.Mail.SmtpClient($smtpServer)
		$smtp.Send($emailFrom, $emailTo, $subject, $message_success)
	}
	$new_value    | Out-File "c:\temp\process-chk.log" -Force
}

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Reference

Win32_Process class
The Win32_Process WMI class represents a process on an operating system.
The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties.
Syntax

[Provider("CIMWin32")]class Win32_Process : CIM_Process
{
  string   Caption;
  string   CommandLine;
  string   CreationClassName;
  datetime CreationDate;
  string   CSCreationClassName;
  string   CSName;
  string   Description;
  string   ExecutablePath;
  uint16   ExecutionState;
  string   Handle;
  uint32   HandleCount;
  datetime InstallDate;
  uint64   KernelModeTime;
  uint32   MaximumWorkingSetSize;
  uint32   MinimumWorkingSetSize;
  string   Name;
  string   OSCreationClassName;
  string   OSName;
  uint64   OtherOperationCount;
  uint64   OtherTransferCount;
  uint32   PageFaults;
  uint32   PageFileUsage;
  uint32   ParentProcessId;
  uint32   PeakPageFileUsage;
  uint64   PeakVirtualSize;
  uint32   PeakWorkingSetSize;
  uint32   Priority = NULL;
  uint64   PrivatePageCount;
  uint32   ProcessId;
  uint32   QuotaNonPagedPoolUsage;
  uint32   QuotaPagedPoolUsage;
  uint32   QuotaPeakNonPagedPoolUsage;
  uint32   QuotaPeakPagedPoolUsage;
  uint64   ReadOperationCount;
  uint64   ReadTransferCount;
  uint32   SessionId;
  string   Status;
  datetime TerminationDate;
  uint32   ThreadCount;
  uint64   UserModeTime;
  uint64   VirtualSize;
  string   WindowsVersion;
  uint64   WorkingSetSize;
  uint64   WriteOperationCount;
  uint64   WriteTransferCount;
};