Forum Discussion
Does anyone know why I'm getting Windows Insider error 0xc1900209?
I download the update, during the installation process a small window opens and after a while it says: "This requires your attention. This computer cannot be upgraded to Windows. Your PC is not yet c...
Most instances of this error come back to being HDD capacity issue. I had this error upgrading a Win 11 23H2 VM that had 23GB free space. Increasing the virtual capacity by 60GB resolved the issue for me. I've seen other MVP's suggest >25GB.