Of course, everything should be perfect! To be serious, it is some distance between “perfect” and being unable to install a Renesas USB3.0 driver. “some drivers are not being recognised”, is this driver “the only one” problematic driver? A nice utility you have created, SIW2. But the interface is scaring to “John Doe”, you have to be a “Genius”. (I hope everybody understands the irony on behalf of myself.) Thanks, SIW2, my HDM12 BMB WinPE environment from yesterday, has now discovered WD My Book Essential.