µDock User Guide
uDock Permissions
uDock communicates with other programs and applications on your Mac. Eg. double clicking on an file in sends the "open" message to the file. Clicking on a process in the Process list sends the "activate" message to the Finder which brings the process to the front.

uDock needs Accessibility permissions to display icon badges and a list of other apps' windows (the website version). To grant the Accessibility permissions, open System Preferences, click Security & Privacy icon, select Privacy tab and select "Accessibility" from the list on the left:
Then click the lock icon at the bottom to make changes. On the list select uDock checkbox:
If uDock is not on the list, click "plus" button to add it:
Check also Full Disk Access and Input Monitoring