How does Task Manager open

Right-click the taskbar Select Task Manager, or press the "Ctrl+alt+del" key combination to open Task Manager, if not open please see below.

If you do not open the task manager of the reasons, generally three, one is set up, there is a Trojan horse, in there is a system failure caused.

1 Task Manager not open

Run input Gpedit.msc Enter to open Group Policy, select User Configuration/Admin Templates/System/ctel+alt+del options on the left/select on the right, delete task Manager Double click it, select "Not Configured" in the Open dialog box, set up the application, and restart the computer.

2 If the failure is still, or is not the cause of the above, it is recommended to check the Trojan, restore the system or reload to try.