Workaround for Win7 task Manager to stop running

1, on the desktop press the key combination (Win key +r) to open the Run window, in the Search box, enter "Gpedit.msc", return confirmation, as shown in the following figure:

2. After opening the Local Group Policy Editor window, click to expand the User Configuration/admin Templates/System/ctrl+alt+del option, and in the right pane, double-click Delete Task Manager, as shown in the following figure:

3, in the Pop-up Property Settings window, we simply click the Select "Enabled" Radio box, and then press "OK" to save the settings, as shown in the following figure: