63501 A product with an invalid license was found on the system. The related updates are not returned. 63502 Windows Installer 3.1 or higher is not installed. MSP updates are not returned. 63503 Windows Installer is not properly configured. MSP updates are not returned. 63504 MSP updates are disallowed by Group Policy. 63505 One or more driver updates cannot be returned. 63506 The computer needs to be rebooted to complete past installation. The result of search may be incorrect. 63507 The license terms of one or more updates are unavailable. 63508 Download and Install Updates 63509 The updates are being downloaded and installed 63510 %1 KB 63511 %1 MB 63512 Optional Updates 63513 Windows Update Published Application Installer 64510 Initializing installation... 64511 Canceling updates... 64512 Preparing for download: 64513 Downloading: 64514 Verifying the download: 64515 Installing: 64516 done! 64517 failed! 64518 Downloading %1 (update %2!d! of %3!d!)... 64519 Installing %1 (update %2!d! of %3!d!)... 64520 Updates were not installed 64521 You chose to skip all available updates, so no changes were made to your computer. 64522 Some updates were not installed 64531 Enter the credentials for proxy authentication 64532 Password Required