Issues with High CPU Utilization

Applies To: Windows Server 2003 with SP2, Windows Server Update Services

Clients may notice very high (approaching 100 percent) CPU utilization under the following circumstances.

An access violation error message appears and the system may appear to become unresponsive when you try to install an update from Windows Update or from Microsoft Update

• There is an update for this issue described by Microsoft KB Article number 927891 (https://go.microsoft.com/fwlink/?LinkId=85649).

There are a large number of superseded updates approved on the WSUS server

• This problem occurs if you do not decline expired definition updates or expired malicious software (also known as malware) updates on the WSUS server. There is an update for this issue described by Microsoft KB article number 938947 (https://go.microsoft.com/fwlink/?LinkId=148750).