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System Update Readiness Tool fixes Windows Update errors in Windows 7, Windows Vista, Windows Server 2008 R2, and Windows Server 2008
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.
How do I reset Windows Update components?
Describes how to reset the Windows Update components
Error code 0x80070490 when you use Windows Update or Microsoft Update to install updates
Troubleshoot error code 0x80070490
Windows Update or Microsoft Update repeatedly offers the same update
Describes how to troubleshoot the problem where you are repeatedly offered the same update in Windows Update or Microsoft Update.
Fix security issues to protect and secure Windows automatically
Diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall and other Windows security options and features.