If your system files are corrupted, built-in Windows 11 components, such as Windows Security, will not be able to run.

Microsoft's timing is awkward, as it continues to encourage Windows 10 users to upgrade now that official support has ended.

Use the following fixes if the Device Manager is not opening or keeps crashing on your Windows 11/10 device. The next fix that you should try is repairing your corrupt system image files. Launch the ...

Closing and reopening Task Manager now spawns extra copies, quickly eating up your system's memory and resources.

Windows 11 KB5067036 has a strange bug that causes the Task Manager instance to duplicate every time it is closed.