Better than hiding it, find out why it didn't install and resolve the problem.
Go to Windows or Microsoft Update (whichever you use by default) and review your update history.
When you find one with a problem click where it tells you to and follow directions or contact Microsoft Support.
Microsoft Security Product Support Policy
Technical support is available from Microsoft Product Support
Services at 1-866-PC SAFETY (1-866-727-2338). There is no charge for support calls associated with security updates.
International customers can get support from their local Microsoft
subsidiaries. Phone numbers for international support can be found