If Silverlight isn't working for you and you are getting errors trying to either uninstall, reinstall or upgrade Silverlight the steps below will likely help you.

Steps to clean up a machine to fix a broken Silverlight installation:

1. Copy these instructions to Notepad, Microsoft Word or some other text editor because you will be asked to close all browsers.
2. Click this button to download and run Microsoft Fix it solution 50747
3. Follow the instructions of Microsoft Fix it 50747
4. Visit http://www.microsoft.com/getsilverlight and install Silverlight