SilverLight Installation


Silverlight is a free plug-in, powered by .NET framework and works with most web browsers, devices and operating systems. It is a useful application which creates engaging, interactive user experiences for Web and mobile applications.

Google chrome users :

  1. Open Chrome and browse to chrome://flags/#enable-npapi
  2. Enable. 
  3. Click “Relaunch Now” at the bottom of your Chrome window.

    Closing and reopening Chrome is not sufficient, you must click the “Relaunch Now” button.
  4. After Chrome relaunches, verify that Silverlight is installed by browsing to
  5. If you see the following message, continue as normal.
  6. If you see the following message, Silverlight is not currently installed. Click Click to Install” to install Silverlight.

    Internet Explorer

    Step 1

    Click the gear icon. This opens the Internet Explorer Tools menu.

    Step 2

    Select “Manage add-ons” from the Tools menu.

    Step 3

    Click “Show” under All Add-ons. This will display both the enabled and disabled add-ons detected by Internet Explorer.

    Step 4

    Click on the Silverlight add-on and click “Enable.” If you do not find the Silverlight add-on listed, you may have to download it again.

    Step 5

    Click “Close.” The Silverlight add-on should be enabled in Internet Explorer.

    Mozilla Firefox

    Step 1

    Click the “Tools” drop down menu and select “Add-ons.” This will open the Mozilla Firefox Add-ons Manager.

    Step 2

    Select the “Plug-ins” tab in the Add-ons Manager.

    Step 3

    Locate the Silverlight plugin. Open the drop-down menu box associated with Silverlight and select “Always activate.” This will enable Silverlight in Mozilla Firefox.

    Link to watch the video

    If you face difficulties while installing, uninstalling or re-installing Silverlight, or even after installing it, Microsoft Silverlight does not work as expected, then this post is sure to help you. Before you start you may want to find out a few things!

    Do I have Silverlight installed?

    You can type Silverlight in Start Screen search. If it is installed you will see it as a search results. You can also fire up your browser and check in the add ons or plugins section.

    Which version of Silverlight is installed?

    The Silverlight runtime does not offer a simple way to find the full Silverlight version number of the installed plugin from JavaScript. It only offers a way to detect if the installed version is “at least” a particular version. But you can visit this website to find out which version of Silverlight, your computer has installed.

    Website keeps asking me to install Silverlight

    If some website keeps asking you install Silverlight or update to its latest version, even if you have already done so, then open your browsers add ons or plugins manager and check if Silverlight is Enabled. If it is already Enabled, then maybe you do have a corrupted Silverlight installation, and you may need to reinstall Silverlight.

    Clean Corrupted Silverlight Installation

    If you cannot or are unable to uninstall or install Silverlight due to a corrupted Silverlight installation, this Microsoft Fix It will solve the failed installation problem. This Fix It will basically delete and clean up all the residual registry keys as well as files and folders, which were created by the Silverlight application during its installation, but which were not delete even after uninstalling it via the Control Panel.

    Download this Microsoft Fix It to clean corrupted Silverlight installation in Windows 8 or Windows 7. Run the downloaded file and click on next to follow the wizard.

    Corrupted Silverlight Installation

    If any issues are found it will list them and offer to fix them automatically. If no Silverlight installation is detected on your computer, it will offer to download and install it for you.

    Hope this helps!


    If this does not help, KB2608523 suggests you do the following to manually uninstall the Silverlight installation:

    Copy-paste the following in Notepad and save it as UninstallSilverlight.cmd.

    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"

    Run this .cmd file as administrator. One the process is completed, run it again as administrator. Restart computer and see if it has helped you.


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