This powershell script automatically closes any Unrar processes that hang and are considered "zombie" processes due to them causing no further processing.

Check-UnrarZombieProcesses.ps1

#Author: Blake Drumm (x-limitless-x)
#Created: November 18th, 2022
# 
#Description: This powershell script automatically closes any Unrar processes that hang and are considered "zombie" processes due to them causing no further processing.

$runningIds = $null
$lastWriteTime = $null
$fileToCheck = $null
$Minutes = 20

$runningIds = (Get-Process -Name Unrar -ErrorAction SilentlyContinue).Id

$lastWriteTime = (Get-ItemProperty -Path 'C:\Temp\Unrar_running_ids.txt').LastWriteTime.AddMinutes($Minutes)

$fileToCheck = (Get-Content 'C:\Temp\Unrar_running_ids.txt' -ErrorAction SilentlyContinue)

Write-Output "Script Location: $($global:MyInvocation.MyCommand.Definition)`n---------------------------------------------" | Out-File 'C:\Temp\Unrar_Powershell_script.log'

if ($runningIds)
{
	Write-Output "`nFound running Id's for Unrar.exe: $runningIds" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
	if ($fileToCheck)
	{
		Write-Output "`nFound file: C:\Temp\Unrar_running_ids.txt" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
		$fileToCheck = $fileToCheck.Split("`n")
		if ((Get-Date) -ge $lastWriteTime)
		{
			Write-Output "`nIts been $Minutes minutes" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
			foreach ($id in $runningIds)
			{
				Write-Host "$id and $fileToCheck"
				if ($fileToCheck -match $id)
				{
					Write-Output "`nStopping process id: $id" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
					Write-Output "`n$(Get-Date | Out-String) - Stopping process ids: $id" | Out-File 'C:\Temp\Unrar_Powershell_script_stopping.log' -Append
					Stop-Process -Id $id -Force
				}
				else
				{
					Write-Output "`nNo matches found.`n`nWriting out new file: C:\Temp\Unrar_running_ids.txt" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
					$runningIds | Out-File 'C:\Temp\Unrar_running_ids.txt'
				}
			}
		}
		else
		{
			$Difference = $lastWriteTime - (Get-Date)
			Write-Output "`nIts been less than $Minutes minutes since file has been written to: C:\Temp\Unrar_running_ids.txt" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
			
			Write-Output "`nNext valid run time: $(($lastWriteTime | Out-String).Trim())" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
			
			Write-Output "`n$([math]::Round($Difference.TotalMinutes, 1)) minutes until next valid run" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
		}
	}
	else
	{
		$runningIds | Out-File 'C:\Temp\Unrar_running_ids.txt'
		Write-Output "`nWriting out new file: C:\Temp\Unrar_running_ids.txt" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
	}
}
else
{
	Write-Output "`nNo running processes for Unrar.exe found" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append
	$null | Out-File 'C:\Temp\Unrar_running_ids.txt'
}

Write-Output "`n---------------------------------------------`nLast ran: $((Get-Date | Out-String).Trim())" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append

Write-Output "`nTask Scheduler next run time: $(((Get-ScheduledTaskInfo -TaskName 'Fix Unrar Process Script').NextRunTime | Out-String).Trim())" | Out-File 'C:\Temp\Unrar_Powershell_script.log' -Append

exit 0