This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Hello,
I've been having issues trying to address Windows Updates not downloading to my Windows 10 machine. I am currently running version 1709 and OS build 16299.15 and would really like to get the proper updates. I have utilized the troubleshooter diagnostic and performed the guided walkthrough steps until completion available on the Microsoft support website without any successful result.
The troubleshooter diagnostic gives an error of a Windows Update Database corruption that is not fixed.
Next, I performed the steps given on the support website. The Windows Update troubleshooter was unable to fix any problems.
I downloaded the latest standalone update KB4090914 and attempted to install, but the update failed. I performed a manual search and download of the most recent KB and even was looking for the KB my machine was struggling to install and neither installation was completed.
I have run the DISM cleanup-image/restorehealth command but I receive this error:
Deployment Image Servicing and Management tool
Version: 10.0.16299.15
Image Version: 10.0.16299.15
[=== 6.5% ]
Error: 582
An illegal character was encountered. For a multi-byte character set this includes a lead byte without a succeeding trail byte. For the Unicode character set this includes the characters 0xFFFF and 0xFFFE.
I have also completed sfc/scannow and can reperform and provide the CBS logs if they would be useful.
I have completed an inplace upgrade, a reset and the update error still persists. I attempted a clean install overnight and it was not successful. After some brief research I have concluded that I am maybe a little over my head and need some direction. I am fairly certain of the registry key error but have not the slightest idea of how to resolve it. Any guidance would be appreciated!
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
Answer accepted by question author
Hello,
Incompatibility of the update to your computer is one possible cause of this concern. For this, we recommend updating your firmware. If the issue still occurs after updating your firmware, we highly suggest contacting your device manufacturer to have further assistance.
Should you need further assistance, feel free to get back to us.
