In response to complaints on the forums, Ubisoft posted a new entry on their support page. “Some physical copies of the PC version of Rocksmith are encountering problems during installation ...

Ubisoft has scrapped its always-on and start-up verification DRM requirements for PC games, stating that its new policy as of June 2011 is to only require a one-time activation.

If you own any Ubisoft games on Stadia, you'll receive Ubisoft Connect copies of them at no additional cost. This will happen automatically if you have linked your Ubisoft account to Stadia.