Ejercicios de PowerShell: mostrar un error si alguna URL de descarga es incorrecta (PowerShell)

# Fichero URLS
## https://www.youtube.com/watch?v=6DeDzsCGbsQ
## https://www.youtube.com/watch?v=6DeDzsCGbsQ
## https://www.youtube.com/watch?v=6DeDzsCGbsQadsfdsfdasfdas
## https://www.youtu444be.com/watch?v=6DeDzsCGbsQ
## https://www.youtube.com/watch?v=6DeDzsCGbsQ

$ErrorActionPreference = "SilentlyContinue"

foreach($urls in gc urls.txt)
{
    $web = Invoke-WebRequest $urls -ErrorVariable ErrorWeb

    if ($ErrorWeb)
    {
        ####### Something went wrong
        "No existe la web"
    }
    else
    {
        "Sí existe la web"
    }
}