I will answer this style too so everyone will see this, so on my case my MZ-N505 started to work, i formatted c: drive, and reistalled WindowsXP, and installed from the cd OpenMG that came along with my md. And i didn't have my internet connection on, so if that will help, try that way... sorry my bad english, i have to run to date with beautiful brunet girl <3 :love: