Disable Silverlight Out of Date Update Warning

Disable Silverlight Out of Date Update Warning

Here’s how to remove the Silverlight was blocked because it is out of date and needs to be updated popups that prevent users from viewing websites and videos that require Silverlight. Since we do standard monthly patching we wanted to allow our users to view websites and videos without having to install the latest Silverlight plugin everytime Microsoft releases an update.

Silverlight was blocked because it is out of date and needs to be updated Small

Here are two different ways that you can prevent the popup and blocking of Silverlight.

Go to the Start Menu, open RUN and type CMD. Click OK

Run Command

Type or copy and paste the following:

reg add “HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Ext” /v VersionCheckEnabled /t REG_DWORD /d 0 /f

Command Prompt Add Registry Key

Configure a GPO with Group Policy Preferences Registry Item:

Open Group Policy Management. Create a new GPO or edit an existing GPO.

Right Click on the GPO and select Edit.

Edit GPO Silverlight

Go to User Configuration. Expand Preferences > Windows Settings and right click on Registry.

Select New and Click Registry Item.

Create New GPP Registry Silverlight IE

Configure the following items:


Key Path: Software\Microsoft\Windows\CurrentVersion\Policies\Ext

Value Name: VersionCheckEnabled

Value Type: REG_DWORD

Value Data: 0

Silverlight GPP Properties

Close Group Policy Management Editor and test out the GPO.

Silverlight Registry Key GPP

There’s also issues with Chrome and Silverlight-

On Chrome version 45 or a later version of Chrome, there is no workaround for this issue. You must use a browser that supports Silverlight content to access a Silverlight page.

This issue occurs because these versions of Chrome block Netscape Plugin API (NPAPI) plugins from being displayed in the browser. Silverlight is an NPAPI plugin.



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One thought on “Disable Silverlight Out of Date Update Warning

  1. Benjamin Middleton

    Tried this, it would not run unless I made the REG ADD part capitol, re did it like so and it worked:
    REG ADD “HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Ext” /v VersionCheckEnabled /t REG_DWORD /d 0 /f

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