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Type them one at a time. Wait for each command to finish. Be patient. Now exit, reboot, and try Windows Update again.Type them one at a time. Wait for each command to finish. Be patient. Now exit, reboot, and try Windows Update again. This solution has been tested and worked on Windows 8.1. There is, however, a more involved solution proposed at Microsoft.com, See: [https://support.microsoft.com/en-us/kb/971058/en-us How do I reset Windows Update components?]