I share here an issue I got on Windows 11 with my Taskbar autohiding being deactivated and a warning "A toolbar is already hidden on this side of your screen. You can have only one auto-die toolbar per side".
and (more annoyingly) my Setting to autohide the Taskbar is deactivated.
Problem description
I have my Taskbar configured to autohide and use 2 secondary monitors with my notebook on Windows 11 (notebook lid closed).
After switching/ powering off and on my PC and its monitors, I get following warning:
and (more annoyingly) my Setting to autohide the Taskbar is deactivated.
Solution
To fix this issue I have configured the Taskbar not to show on all displays as shown below:
