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How to disable and uninstall Microsoft Silverlight

If you experiencing an issue casting your Google Chrome browser tab to your Chromecast, you may want to try and uninstall Silverlight.  Doing this will enable your PC to watch Amazon Instant Prime videos using Adobe Flash.  There are a few things you can try before forcing Silverlight off of your PC.

Option 1 – Disable the Chrome addon

In the Chrome address bar, type “chrome:plugins” without the quotes.

chrome-pluginsNext find Silverlight and click Disable.

chrome-disable-silverlight

 

Try casting a movie or TV show to your Chromecast.  If this doesn’t work, try uninstalling Silverlight from your PC.

Option 2 – Uninstall Silverlight

On your PC, go to the Control Panel then select “Programs and Features” for Windows Vista and newer or “Add or Remove Programs” for XP users.  Find Microsoft Silverlight in the list and click uninstall.

Programs and Features Silverlight

This should completely remove Silverlight from your PC.  If you are unable to remove Silverlight, try to manually remove it with the following step.

Option 3 – Forcing Silverlight removal from your PC

I recommend only doing this as a last resort.

  1. Click Start and type Notepad in the Search box
  2. Double-click on Notepadfrom the list of results above
  3. Copy and then paste the following text into Notepad.
    reg delete HKLM\Software\Microsoft\Silverlight /f
    reg delete HKEY_CLASSES_ROOT\Installer\Products\D7314F9862C648A4DB8BE2A5B47BE100 /f
    reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\D7314F9862C648A4DB8BE2A5B47BE100 /f
    reg delete HKEY_CLASSES_ROOT\TypeLib\{283C8576-0726-4DBC-9609-3F855162009A} /f
    reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\install.exe /f
    reg delete HKEY_CLASSES_ROOT\AgControl.AgControl /f
    reg delete HKEY_CLASSES_ROOT\AgControl.AgControl.5.1 /f
    reg delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{89F4137D-6C26-4A84-BDB8-2E5A4BB71E00} /f
    rmdir /s /q "%ProgramFiles%\Microsoft Silverlight"
    rmdir /s /q "%ProgramFiles(x86)%\Microsoft Silverlight"
  4. Click File and Save As and type CleanSilverlight.cmd
  5. In the Save astype box, click All Files (*.*)
  6. In the Save in box, click Desktop, and then click Save
  7. On the File menu, click Exit
  8. Right-click the CleanSilverlight.cmd file on your desktop and click Run as administrator
  9. When the uninstall completes, right-click the CleanSilverlight.cmd file on your desktop and click Run as administratora second time

Credit: Microsoft

  • fredphoesh

    Hi… some good info here, thanks.
    Sadly Google, in their recent turn to being a bit evil, have blocked Amazon Prime AND Netflix from playing via a Chrome browser tab using the Google Cast and Google Cast Beta extensions for chrome… this is really a pity. I don’t see a work-around anywhere online. Basically I have amazon prime, want it on my TV. I have netflix, but want to access the usa content, so need to use a proxy server on desktop to play netflix usa there, then cast it. This worked LAST WEEK. Since Google and Amazon are playing control freak olympics with one another, Amazon prime isnt going to happen in my home… unless on laptop.

    • shmigga

      Hmmm…I was just able to cast a few videos using the method specified on my site. Maybe you are having issues because you are trying to use a proxy. If you tell me more specifically how you are casting videos from Chrome to your Chromecast, I will see if I can come up with a fix for you. Thanks!

  • shmigga

    Hmmm…I was just able to cast a few videos using the method specified on my site. Maybe you are having issues because you are trying to use a proxy. If you tell me more specifically how you are casting videos from Chrome to your Chromecast, I will see if I can come up with a fix for you. Thanks!

  • M Otter

    Maybe you should make clear for any german user how will try to use this guide, that for the german prime instant service by now there is *no flash fallback* and therefore no chance to bypass silverlight

    • shmigga

      Thanks for sharing your thoughts. I am unaware of any problems that German users may face with Adobe flash and chrome. Are you saying that German users are unable to watch Amazon Instant Videos with Adobe Flash in Chrome?

      • M Otter

        Long story short:
        In German it’s not possible to watch Amazon Instant Video content with adobe flash at all. This option is just not available.

        • Glen Cook

          Same problem in the UK I’m afraid

          • shmigga

            Have you tried adding ?player=flash at the end of the URL for the video that you are trying to watch? I have been doing some research and some people claimed that this worked but they still needed to uninstall Silverlight.

          • Glen Cook

            Yeah I tried “?player=flash” thanks, but that no longer seems to work either. I think they’ve disabled flash Europe wide.

  • J Clum

    i am trying to cast an amazon prime movie and it is casting what is on my computer screen to the TV until I click play. all I see then on the TV is the amazon movie blank screen while my laptop starts to play the movie. What am I doing wrong?

    • shmigga

      Are you located in the USA or another country? I am assuming you have tried disabling Silverlight on your PC?

  • Helen Kenny

    When I disable Silverlight, Amazon Instant Video prompts me to install it.

    • shmigga

      Do you live in the US or Europe?

      • Helen Kenny

        I live in the U.S.

    • shmigga

      You can try changing your default player preference by going here: https://www.amazon.com/video/settings. Try a few other videos and see if it still prompts you to install Silverlight. Amazon may have recently changed something that requires Silverlight on newly published videos. I am looking into it.

  • Jeff Lively

    I had the same thing. I figured out the if you disable the silverlight plug-in, you’ll have to change the settings in amazon prime to adobe flash instead of silverlight. When you select a movie in amazon prime and ask you to watch it. Above that you’ll see settings, select that and scroll down untill you see where you can select adobe instead of silverlight to watch your video and that shall fix it

  • Michelle

    i can get it to play on the tv… but it is terribly jumpy. It plays fine from the computer, but is jumpy on the TV while streaming. Any suggestions???

  • Michelle

    i can get it to play on the tv…. but from my computer to the TV is incredibly JUMPY. the movie is fine on the computer, but the tv version is awful… like it hasn’t buffered. any suggestions?