(didn't read the instructions well enough!) :-/. Unfortunately, I didn't choose Restart I killed the process. I tried the Ctrl-Alt-Del and found Windows Explorer.

Taskbar doesn't disappear when entering fullscreen

It may take a few seconds and things like your taskbar and Start menu may disappear momentarily, but when it restarts, things should behave better and you can exit Task Manager.

After selecting the Windows Explorer, click the Restart.

Under the Processes tab, look for Windows Explorer.

Click More details at the bottom to expand the Task Manager window.

Meanwhile, we suggest that restart the Windows Explorer.exe to refresh your taskbar functionality by following the steps below: Winver on the search bar and press Enter.

What is the current build and version of your Windows 10? To check, type in.

Have you made any recent changes to your computer prior to this issue?.

For us to assist you with this, kindly answer the following questions: Windows 10 may have encountered a system file corruption that caused this taskbar issue. Windows 10 Taskbar icons missing/ not responding!

Restart windows 10 taskbar