In the last version of GRUB2 File Manager, I only use grub4dos multiboot, no problem opening, but Windows 10 comes up to the choice of harddisk in the installation, it does not progress after that. Could you help?

this is the multiple boot i use

https://www.tnctr.com/topic/100852-cd-dvd-usb-hdd-i%C3%A7in-multiboot-haz%C4%B1rlamak/?do=findComment&comment=2044608