Describes the System Update Readiness Tool. This tool fixes Windows Update problems where Windows Update failed to install updates in Windows 7, Windows Vista, and Windows Server 2008.
Describes how to reset the Windows Update components.
Troubleshoot error code 0x80070490
Describes how to troubleshoot the problem where you are repeatedly offered the same update in Windows Update or Microsoft Update.
Diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall and other Windows security options and features.