PC Locking up while Updating

Event Type: InformationEvent Source: Windows Update AgentEvent Category: Installation Event ID: 18Date: 6/13/2006Time: 7:24:46 AMUser: N/AComputer: XXXXXXXX
Description:Installation Ready: The following updates are downloaded and ready for installation. This computer is currently scheduled to install these updates on Wednesday, June 14, 2006 at 3:00 AM: - Cumulative Security Update for Outlook Express 6 Service Pack 1 (KB837009)