Task Manager cannot use-gray

1, the registry method, please follow the following steps for the registry editing operation:

1. Click "Start"
2. Click "Run" and type "regedit" (excluding double quotes) to determine
3. In the Registry Editor, expand

Hkey_current_user\software\microsoft\windows\currentversion\policies\

An item named system is established under this registry key (if there is a system entry under the Policies branch, this step is not required)
Create a "string character value" or "DWORD value" named DisableTaskMgr under the System key (updated August 5)

A key value of 1 disables the Task Manager, and a key value of 0 does not prohibit

Task Manager cannot use-gray