: If you are using Linux, be aware that GRUB4DOS cannot boot from 64-bit Ext4
The standard Installer 1.1 GUI executes perfectly on modern 64-bit Windows operating systems when launched with administrative privileges. Step-by-Step: Preparing a Multi-Boot USB Drive
Add to menu.lst :
: Helps modern 64-bit systems interface with legacy boot protocols, making it a staple for IT professionals managing older hardware or specialized software. How to Use the Installer Run as Administrator : Right-click the grubinst_gui.exe (or equivalent) and select Run as Administrator to grant the necessary disk-writing permissions. Select Disk
color cyan/blue white/magenta timeout 15 default 0 title Boot Windows 11 find --set-root /bootmgr chainloader /bootmgr title Launch Ubuntu Live ISO find --set-root /ubuntu-24.04-desktop-amd64.iso map /ubuntu-24.04-desktop-amd64.iso (0xff) map --hook root (0xff) kernel /casper/vmlinuz boot=casper iso-scan/filename=/ubuntu-24.04-desktop-amd64.iso quiet splash initrd /casper/initrd title Reboot System reboot Use code with caution. Troubleshooting Common Errors Error: "Access Denied" During Installation : The installer lacks system privileges. grub4dos installer 1.1 64 bit
Double-check that you have selected the correct drive (e.g., your USB stick) and not your primary hard drive. 4. Installing the Bootloader
color cyan/blue white/blue timeout 15 default 0 title 1. Boot from Local Hard Drive (64-bit OS) map (hd0) (hd1) map (hd1) (hd0) map --hook chainloader (hd0)+1 title 2. Launch Windows 10/11 64-Bit Installer (ISO) find --set-root /ISO/windows11_x64.iso map /ISO/windows11_x64.iso (0xff) map --hook chainloader (0xff) title 3. Run Ubuntu Linux Live 64-Bit find --set-root /ISO/ubuntu-64bit.iso map /ISO/ubuntu-64bit.iso (0xff) map --hook kernel /casper/vmlinuz boot=casper iso-scan/filename=/ISO/ubuntu-64bit.iso quiet splash initrd /casper/initrd title 4. Reboot Computer reboot title 5. Shut Down Computer halt Use code with caution. Understanding the Commands: : If you are using Linux, be aware
The menu.lst file tells Grub4Dos what operating systems or tools are available to boot. Open it with any text editor (like Notepad) to customize your boot options. Here is a basic template for common tools: