computer keeps trying to update one update .
when i turn off it trys to update 1 of 1 update.
this has been doing this now for quite a while .
this is what i have found .
how do i get this to update or fix the problem.
Security Update for Microsoft Works 9 (KB2431831)
Installation date: 22/12/2010 11:35 AM
Installation status: Failed
Error details: Code 646
Update type: Important
A security vulnerability exists in Microsoft Works 9 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
Help and Support: