begin {
    $Service = Get-Service -Name iperf3server -ErrorAction SilentlyContinue
}

process {
    if ($null -eq $Service) {
        Write-Host "Service is not installed"
    } else {
        try {
            & "C:\Program Files\nssm\win64\nssm.exe" remove iperf3server confirm
        } catch {
            Write-Error "Failed to uninstall service. $_"
        }
    }
}