Getting error while updating windows

Are you using Windows 10?
Try run PC Health Check and see what is the result?
Have a look at:
https://support.microsoft.com/en-us/windows/how-to-check-if-your-device-meets-windows-11-system-requirements-after-changing-device-hardware-f3bc0aeb-6884-41a1-ab57-88258df6812b
You may ask your question on:
https://answers.microsoft.com/en-us

Make sure you have TPM enabled on your computer. May have to go through BIOS in order to Enable it. Without TPM Support you will not be able to Officially Install it. Refer here for Official Requirements to Install https://www.microsoft.com/en-in/windows/windows-11-specifications

This error is coming while updating to windows 11 insider preview 26100.1(ge_release)