Unregister-Event FileCreated
$folder = 'C:\pstest'
$filter = '*.*'
$fsw = New-Object IO.FileSystemWatcher $folder, $filter
$fsw.IncludeSubdirectories = $true

$fsw.NotifyFilter = [IO.NotifyFilters]'FileName, LastWrite'
$onCreated = Register-ObjectEvent $fsw Created -SourceIdentifier FileCreated -Action {
    $name = $Event.SourceEventArgs.Name
    $path = $Event.SourceEventArgs.FullPath
    Write-Host "The file '$name' '$path'"
    cmd.exe /c 'move-files.bat'
}