How do I remove a "Update is ready for your computer". It fails to load & won't g

Here is the the download (It won't let me uninsall Microsoft .NET Framework either):

Size: 8.8 MB

A security issue has been identified that could allow an attacker to compromise your Windows-based system running the Microsoft .NET Framework and gain complete control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

More information for this update can be found at http://go.microsoft.com/fwlink/?LinkId=9...

How do I remove a "Update is ready for your computer". It fails to load %26amp; won't go away, and I don't want itmicrosoft.com

Choose the custom instalation after double clicking the link then uncheck the thing and choose not install that update.