Silverlight Installation Failed – Windows 10 / 8 / 8.1 and Win7

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Silverlight Installation Failed

Silverlight installation failed issue can occur if an existing installation or uninstall has become corrupt.


When working with Microsoft Silverlight you may encounter the following scenarios:

  • Install Microsoft Silverlight
  • Upgrade to another version of Microsoft Silverlight
  • Uninstall Microsoft Silverlight
  • Microsoft Silverlight does not work as expected

Resolution steps:

To fix the issue with the Silverlight Installation Failed, follow the below steps:

Method 1:

Step 1: Clean a corrupted Silverlight installation and then reinstall Silverlight

a. To automatically uninstall Microsoft Silverlight, click the below icon.


1. This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.

2.  If you are not currently using the computer that is experiencing this problem, you can save the automatic fix to a flash drive or to a CD, and then you can run it later on the computer in question.
When the Fix it solution has completed, click the below image to install the latest version of Microsoft Silverlight:

b. To resolve this issue yourself, follow these steps:

  1. Click Start and type Notepad in the Search box
  2. Double-click on Notepad from 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 /fmovie Get Out 2017 streaming

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 administrator a second time

10. Once the uninstall has completed, click on the below image to install the latest version of Microsoft Silverlight.

11. Delete the CleanSilverlight.cmd file from your desktop.

Method 2:

Uninstall Silverlight software using Revo Uninstaller and then reinstall Silverlight.

Once it is removed completely from the computer, you can install it by clicking on the below image: