Thank you for following Ubi-Aurons troubleshooting steps above for Ubisoft Connect logging you out due to inactivity.
Could you please try the following steps that have helped other players who encountered Ubisoft Connect log them out unexpectedly? Please try each step one by one and test using Connect afterwards >>
- Disable any hibernation or sleep settings on your computer
- Delete the following file >> C:\Users\%Username%\AppData\Local\Ubisoft Game Launcher\user.dat