To uninstall Silverlight:

1. Close all browser sessions
2. Click the Start button
3. Click Settings
4. Click Apps & features
5. Locate and select Microsoft Silverlight
6. Click Uninstall > Click Uninstall again
7. If prompted with message: Do you want to allow this app to make changes to your device? Click Yes

To reinstall Silverlight:

1. Go to: https://www.microsoft.com/getsilverlight/get-started/install/
2. Click to Install
3. Click Save File
4. Double click on Silverlight download
Note: This file will be called Silverlight_64 or Silverlight_32 depending on your workstation
5. If prompted with message: Do you want to allow this app to make changes to your device? Click Yes
6. Click Install Now
7. Click Close