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 An outdated BIOS is the primary cause of the 0xC1900101 ...

A clean Windows install is a great way to keep your PC feeling snappy. However, every time you do this, certain critical features are reset to their Microsoft defaults—including some that could lock ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the January 2026 Patch Tuesday security updates. The issue ...

Microsoft says it's normal if Windows 11 restarts two or three times after recent or upcoming updates. Here's what you should ...

Above and beyond the benefits of a fresh do-over, clean installing Windows 11 improves security, exposes new features, and more. With the Windows 10 end of support date arriving on October 14, ...

The boot issue, which Microsoft previously investigated and linked to failed December 2025 updates, affected a limited number of commercial Windows 11 devices running versions 25H2 and 24H2.

Every Windows PC usually starts from the built-in hard drive, as the term “Windows PC” implies. This is because the Microsoft operating system is not anchored in or with the hardware, but is installed ...

After trying out in-place upgrading to Windows 11 24H2 from 23H2 and measuring the differences, we tried a clean install to see if this was the better way to go. Microsoft this week lifted another ...