Select Download on the Download Center webpage, and then do one of the following: This tool isn't available in every supported language.

This tool is updated regularly, and we recommend that you always download the latest version. The DISM or System Update Readiness tool may help you fix some Windows corruption errors.Ĭheck this page for Windows Update troubleshooting scenarios.

Matching component directory exist but binary missingĬan't identify matching component for hydrationįor example, an update might not install if a system file is damaged. Windows could not search for new updates. One or more required members of the transaction are not present. The value of an attribute in an identity is not within the valid range.Īn error occurred while Windows Update reads or writes to a file.Ī required certificate is not within its validity period when verifying against the current system clock or the time stamp in the signed file. The name of an attribute in an identity is not within the valid range.ĮRROR_SXS_INVALID_IDENTITY_ATTRIBUTE_VALUE The component store is in an inconsistent state.Ī component's file does not match the verification information present in the component manifest.ĮRROR_SXS_INVALID_IDENTITY_ATTRIBUTE_NAME The source for the package or file not found. The system cannot find the file specified. The following table lists the possible error codes for Windows Update for your reference: Code Windows updates may fail to install if there are corruption errors. Original KB number: 947821 Common corruption errors If you're home users and looking for more information about fixing Windows update errors, see Fix Windows Update errors.

This article is intended for use by support agents and IT professionals.

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