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 An outdated BIOS is the primary cause of the 0xC1900101 ...

The next thing that you can try is resetting the Windows Update Components. Sometimes, Windows Update Components are corrupted due to which Windows Update fails to install. Corrupt system image files ...

Microsoft has fixed a known issue preventing Windows 11 24H2 feature updates from being delivered via Windows Server Update Services (WSUS) after installing the April 2025 security updates. WSUS was ...

Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an "UNMOUNTABLE_BOOT_VOLUME" error after installing recent security updates, with the fix ...

If your Windows 11 PC runs version 23H2 or 22H2, you might need to download a new emergency update. KB5062170, with build numbers 22621.5415 and 22631.5415, is now available for download from the ...