disable task manager

User Key: [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\PoliciesSystem]
System Key: [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\PoliciesSystem]
Value Name: DisableTaskMgr
Data Type: REG_DWORD (DWORD Value)
Value Data: (0 = default, 1 = disable Task Manager)