On a Windows Vista-based computer, events that resemble the following events are logged in the Diagnostics-Performance/Operational event log:
Event Type: Error, Warning, or Critical Event Source: Diagnostic-Performance Event ID: 203 Description: This service caused a delay in the system shutdown process.
Event Type: Error, Warning, or Critical Event Source: Diagnostic-Performance Event ID: 101 Description: This application took longer than usual to start up, resulting in a performance degradation in the system startup process.
Event Type: Error, Warning, or Critical Event Source: Diagnostic-Performance Event ID: 401 Description: This process is using up processor time and is impacting the performance of Windows
You can safely ignore these events.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
To view the Diagnostics-Performance/Operational event log, follow these steps:
Click Start, type Event Viewer in the Start Search box, and then click Event Viewer in the Programs list.
If you are prompted for an administrator password or for confirmation, type the password or click Continue.
Click Applications and Services Logs.
Click Diagnostics-Performance, and then click Operational.