Ensure Real time update speed isn’t set to Paused. On the new UI, click on the Settings cog.On the older UI, select View > Update Speed.Press Ctrl + Shift + Esc or any other method to launch Task Manager.There have been multiple times when this automatically happened after a Windows Update, leading users to believe that Task Manager stopped working. If your Task Manager seems frozen and isn’t updating the displayed data, it’s likely because the update speed is set to paused. Thus, Home edition users should enable it using DISM, and then, use the steps from this section.

Note: The Group Policy Editor isn’t enabled by default on Windows Home edition.

Enter gpupdate /force to apply the policy changes.

Press Win + R, type cmd, and press Enter.

Double-click the Remove Task Manager policy.

Navigate to User Configuration > Administrative Templates > System > Ctrl + Alt + Del Options.

Press Win + R, type gpedit.msc, and press Enter.

If the Task Manager Has Been Disabled by Your Administrator error is preventing you from launching Task Manager, you can fix this by modifying a local group policy.

From the power user menu (Windows + X).

From the security options screen (Ctrl + Alt + Del).

Entering taskmgr in the Run dialog box, Command Prompt, or PowerShell.If this hotkey doesn’t work for you, you can also try alternative ways to launch task manager: Either way, Task Manager should start working this time. If it can’t be revived after 10 seconds, a new instance will be launched instead. This will prompt Windows to try to restore the existing instance. If the current Task Manager instance is not responding, simply use the same shortcut again. The usual way to start Task Manager is by pressing Ctrl + Shift + Esc.

Task manager not opening