If you are encountering the 0xC1900101-0x40021 Windows 11 upgrade error, execute the solutions given below. An outdated BIOS is the primary cause of the 0xC1900101 ...
Windows Report on MSN
New Windows 11 beta build finally adds taskbar customization & fixes update error 0xc1900101
Windows 11 Beta Build 26220.9022 adds movable and smaller taskbars, fixes File Explorer bugs, and renews Insider flight certificates.
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