NSPRO is the best box in the world for unlock and flash
problem on flashing due for driver installation, problem
other think pleas read this more 1000 time to understand :
if you have jaf will cause problem on pc : so what you need have to pc one for nspro and other for JAF will work fine without doubt
if any one have problem on nspro you can contact me on ICQ i will help all nspro user cause i 100% satisfy with it