This recent update from MS keeps failing to install, Error details: Code 8007066F. I've tried the manual install and the MS trouble shooter to no avail.
Security Update for Microsoft Office PowerPoint 2007 (KB2464594)
Installation date: ¿4/¿18/¿2011 1:51 PM
Installation status: Failed
Error details: Code 8007066F
Update type: Important
A security vulnerability exists in Microsoft Office PowerPoint 2007 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
Help and Support: