I cannot install this update, and repeatedly getting error code 646:
Security Update for Microsoft Works 9 (KB2680317)
Installation date: 6/15/2012 9:41 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.
Thanks for any help!