UR22 + LaunchKey 61+cubase LE = NIET = NO MIDI/audio SOUND

Hi !
I wonder if my problem isn’t the UR22 or CUbase LE (demo) …
This morning i have purchase the UR22 & install it as the manual instruction said.
I already have a Launchkey 61 from novation which it has a USB connection connected to my PC “that is to say that i don’t connect my Launchkey on the UR22.”

In Cubase Element 7 ( a demo )(* Cubase AI* is still in download right now) every parameter is alright in my Devices > Device setup , but I DON’T HEAR ANY MIDI SOUND, but just when i disconnect the UR22 the midi sounds are heard again !
WHY ?
****mY hEADPHONE IS CONNECTED DIRECTLY TO MY PC CARD LIKE IT WAS FOR MY UX2

Another major problem ; when the UR22 is connected , i can’t hear any music or video from youtube or wmp ??? WHAT ?.. the same in Cubase : NO MIDI NO AUDIO !

Is that is because it’s a Uk product & i am american CANADIAN :wink:
I though that the UR22 was PLug & play interface , but it’s not ??? ,it’s a shame in 2014 !
I have change my old UX2 (line 6) for the UR22 this morning !

1 WEEK & i return this product if it won’t work !

I will try it with an american music software like Cakewalk, maybe this will be more simple :wink:

So what i have to do because i have the demo of CUbase LE for 3 weeks without any problem with UX2 , why 2 product of Steinberg dont work togerther ?
Good day

AMD Quad
Asus motherboard
8 gigs Ram
WIn 7 64 bits
Cubase Elements 7 (demo)
Asus GTX 560
UR22
Novation LaunchKey 61