Prismatik doesn't turn off the backlight

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The Prismatik program (unofficial fork) 64-bit Version 5.11.2.31 leaves the LED strip on when the computer shuts down. It still turns off correctly during sleep or standby mode. How can I force the program to stop before Windows shuts down?

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$server = "127.0.0.1"
$port = 3636

try {
    $client = New-Object System.Net.Sockets.TcpClient($server, $port)
    $stream = $client.GetStream()
    $writer = New-Object System.IO.StreamWriter($stream)
    $reader = New-Object System.IO.StreamReader($stream)

    # 1. handshake
    $writer.WriteLine("hello")
    $writer.Flush()
    Start-Sleep -Milliseconds 200
    $response = $reader.ReadLine()
    Write-Host "Response to hello: $response"

    # 2. lock
    $writer.WriteLine("lock")
    $writer.Flush()
    Start-Sleep -Milliseconds 200
    $response = $reader.ReadLine()
    Write-Host "Response to lock: $response"

    # 3. setstatus off
    $writer.WriteLine("setstatus:off")
    $writer.Flush()
    Start-Sleep -Milliseconds 200
    $response = $reader.ReadLine()
    Write-Host "Response to setstatus: $response"

    # 4. unlock
    $writer.WriteLine("unlock")
    $writer.Flush()
    Start-Sleep -Milliseconds 200
    $response = $reader.ReadLine()
    Write-Host "Response to unlock: $response"

    # closing
    $writer.Close()
    $reader.Close()
    $client.Close()
}
catch {
    Write-Host "Error: $($_.Exception.Message)"
}

The only thing I was able to do is create this script that turns off the backlight, but I can't get Windows 11 to run it before the computer shuts down