Same problem here,though i have a Rift S,and i am trying to install on my D drive.I get the permissions window,then accept,and as above, poof nothing,this is with full admin right's,and defender turned off,this is on a new pc set-up,and am trying to ...

Same here,working fine yesterday morning,then in the afternoon i get the message,with the orange in the picture,something not right Rift s side.

RattyUK said: Everything working fine after installation and several hours playing various games last night.Switch on PC this morning and Rift S is fine, a couple of hours later it is bleating about USB drivers - the very same that were fine earlier....

Just set up my new Rift,work's like a charm so far,my youngest daughter drove into town after ringing Argos and confirming my original purchase and swapped out for the new one i am using now,Only have to sort out Steam,and game's,and wheel,then i wil...

Rang the store i purchased from,getting swapped for a new one tomorrow,will update then with hopefully a working unit.