0x800f0821:The resolution of the error code of Windows update

Error Code:0x800f0821
Explain how to deal with this error code.Windows update may fail with a "0x800f0821" error.
This error occurs due to various causes, but it seems that this error occurs especially when a timeout occurs when downloading a file in a WSUS (Windows Server Update Services) environment.
There may be a problem with the WSUS server, or the firewall or proxy on the way.
If possible, download via the Internet instead of WSUS to see if this problem occurs.


Related Link

Windows Update errorcode list

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