Yes the linux installer said that.
I have a secure boot as I saw in bios (attached pictures).
Now I have disconnect and the linux disk and the only disk in my PC is the windows 11 disk only....

I tried to install Linux on a secondary disk in my PC and after a failed Linux grub installation my PC didn't boot in Windows 11. I saw the message (Reboot and select a proper Boot device).

I made a bootable USB windows 11 and I run the below commands on the cmd but with no succeed.

DISM /Online /Cleanup-image /Restorehealth
The DISM.... command shows me the error 87.

sfc /scannow
chkdsk

bootrec /FixBoot
bootrec /ScanOs
bootrec /RebuildBcd
For some reason it writes(Total identified installations 0) like there no...