Check :

netsh interface tcp show global  

Et si réglage auto sur "normal" :

netsh int tcp set global autotuninglevel=disabled

Détente.

Aie le test.

QEMU disk image utility for Windows. It is used for converting, creating and consistency checking of various virtual disk formats. It’s compatible with Hyper-V, KVM, VMware, VirtualBox and Xen virtualization solutions.This build has been optimized for Windows Server (x64), including Windows Nano Server.

Récupération de clés/serial sous Windows.