The response content cannot be parsed because the Internet Explorer engine is not available, or
<p>I need to download a channel 9 series using powershell, however the scripts I have tried have errors:</p>

<ol>
<li><p>This script</p>

<pre><code>$url="https://channel9.msdn.com/blogs/OfficeDevPnP/feed/mp4high"
$rss=invoke-webrequest -uri $url 
$destination="D:\Videos\OfficePnP"
[xml]$rss.Content|foreach{ 
  $_.SelectNodes("rss/channel/item/enclosure") 
}|foreach{ 
    "Checking $($_.url.split("/")[-1]), we will skip it if it already exists in $($destination)"
  if(!(test-path ($destination + $_.url.split("/")[-1]))){ 
    "Downloading: " + $_.url 
    start-bitstransfer $_.url $destination 
  } 
}
</code></pre>

<p>failed with error:</p>

<blockquote>
  <p>The response content cannot be parsed because the Internet Explorer engine is not available, or Internet Explorer's first-launch configuration is not complete. Specify  the UseBasicParsing parameter and try again.</p>
</blockquote></li>
<li><p>I also tried this one</p>

<pre><code># --- settings ---
$feedUrl = "https://channel9.msdn.com/blogs/OfficeDevPnP/feed/mp4high"
$mediaType = "mp4high"
$overwrite = $false
$destinationDirectory = join-path ([Environment]::GetFolderPath("MyDocuments")) "OfficeDevPnP"

# --- locals ---
$webClient = New-Object System.Net.WebClient

# --- functions ---
function PromptForInput ($prompt, $default) {
 $selection = read-host "$prompt`r`n(default: $default)"
 if ($selection) {$selection} else {$default}
}

function DownloadEntries {
 param ([string]$feedUrl) 
 $feed = [xml]$webClient.DownloadString($feedUrl)

 $progress = 0
 $pagepercent = 0
 $entries = $feed.rss.channel.item.Length
 $invalidChars = [System.IO.Path]::GetInvalidFileNameChars()
 $feed.rss.channel.item | foreach {
    $url = New-Object System.Uri($_.enclosure.url)
    $name = $_.title
    $extension = [System.IO.Path]::GetExtension($url.Segments[-1])
    $fileName = $name + $extension

    $invalidchars | foreach { $filename = $filename.Replace($_, ' ') }
    $saveFileName = join-path $destinationDirectory $fileName
    $tempFilename = $saveFilename + ".tmp"
    $filename
    if ((-not $overwrite) -and (Test-Path -path $saveFileName)) 
    {
        write-progress -activity "$fileName already downloaded" -status "$pagepercent% ($progress / $entries) complete" -percentcomplete $pagepercent
    }
    else 
    {
        write-progress -activity "Downloading $fileName" -status "$pagepercent% ($progress / $entries) complete" -percentcomplete $pagepercent
       $webClient.DownloadFile($url, $tempFilename)
       rename-item $tempFilename $saveFileName
    }
    $pagepercent = [Math]::floor((++$progress)/$entries*100)
  }
}  

# --- do the actual work ---
[string]$feedUrl = PromptForInput "Enter feed URL" $feedUrl
[string]$mediaType = PromptForInput "Enter media type`r`n(options:Wmv,WmvHigh,mp4,mp4high,zune,mp3)" $mediaType
$feedUrl += $mediaType

[string]$destinationDirectory = PromptForInput "Enter destination directory" $destinationDirectory

# if dest dir doesn't exist, create it
if (!(Test-Path -path $destinationDirectory)) { New-Item $destinationDirectory -type directory }

DownloadEntries $feedUrl
</code></pre>

<p>with too many errors</p>

<p><a href="http://screencast.com/t/bgGd0s98Uc">http://screencast.com/t/bgGd0s98Uc</a></p></li>
</ol>