Vsphere 6.5 setup from USB Key - "Not a COM32R image" error

To install VSphere 6.5 Hypervisor from a bootable USB key let's proceed like this:

1. from VmWare download the ISO file
2. download RUFUS
3. start it
4. open the ISO file form poin 1
5. be sure to set RUFUS with:

- MBR for BIOS or UEFI computers
- FAT32
- cluster size 4096 (default)
- quick format (default)
- create bootable disk using iso (default)
- create extended label and icon (default)

6. insert the USB key in the server and start it , set it to boot from USB or press the boot menu key
7. if you get the error message "Not a COM32R image" then press TAB key, you will see a suggestion like "install hddboot", well...
8. digit the command suggested install hddboot and press Return

The installation begin