While VirtualBox and VMware have long been the standard bearers for virtualization, a shift has occurred in the server and power-user landscape. The rise of KVM (Kernel-based Virtual Machine) and QEMU has introduced a new standard for disk images: (QEMU Copy On Write version 2).
Installing Windows XP on modern hypervisors requires specific settings to avoid common errors like "A disk read error occurred," which often happens when using raw disk formats instead of QCOW2. Recommended QEMU Command i--- Windows Xp Qcow2