Software Operating Systems Windows Windows 11 Windows 11 system requirements: How to check if your PC can run it Features By Tyler Colp last updated January 10, 2023 ...

To fix the Windows 11 operating system wasn’t found error, run the Startup Repair Tool. To do so, boot your device using the Installation media.

Next, check for any pending Windows updates. Outdated Windows, especially if you have opted for the Windows Insider Program, can lead to errors like Kernel Security Check Failure.

However, we're most likely looking at the successor to the current 24H2 build -- namely Windows 11 25H2 -- and not a whole new operating system. This was first spotted by Windows Central.

Want to find out when a program was installed or uninstalled? Learn how to check the Software Installation or Uninstallation History in Windows 11/10.