That 561.09 driver is a "Game Ready" driver, eh? That may be the problem. Another user has a problem with that driver, as well, with stuttering in the playback. This leads me to believe that there may be a compatibility issue between that driver and the Adobe video programs. In addition, were you trying to download Premiere Pro directly? And if so, which Web browser were you using? You see, you were supposed to download the Adobe Creative Cloud desktop frontend first, then you downdoad and install Premiere Pro through that frontend. And if you try to download Premiere Pro directly using certain Web browsers (I'm talking about you, Opera), the entire install process will get tripped up with a similar compatibility warning.
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