Permission conflicts between Steam and Ubisoft Connect frequently cause launch failures.
Right-click Watch Dogs 2 > Properties > General > Launch Options . Type -eac_launcher . unable to locate uplay pc watch dogs 2
If none of that works – let me know (e.g., PaperKarma, Paper by WeTransfer, a school print system), and I can give you a specific fix. Paper by WeTransfer
To prevent recurrence, users are advised to: a school print system)