IMPORTANT: Workstations running Microsoft Windows XP with Service Pack 2 (SP2) do not require this fix. This package contains a Microsoft fix for the issue described in Microsoft Knowledge Base Article 828028 for the listed workstation models and operating systems. For more information about this issue, see Microsoft Knowledge Base Article 828028, "MS04-007: ASN.1 Vulnerability Could Allow Code Execution." HP and Microsoft recommend applying this fix to your workstation as soon as possible.