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 An outdated BIOS is the primary cause of the 0xC1900101 ...
Update December 03, 08:39 EST: Microsoft has updated the support document to include Windows 11 25H2 to the list of affected OS versions. We have revised the title and story accordingly. Microsoft ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback