//適用于Win NT/2K/XP, 
//參數(shù)Key為True,屏蔽“任務(wù)管理器”；為False,“任務(wù)管理器”可用
//使用方法：
//DisableTaskmgr(True);
procedure DisableTaskmgr(Key: Boolean);
Var
Reg:TRegistry;
Begin
Reg:=TRegistry.Create;
try
Reg.RootKey := HKEY_CURRENT_USER;
if Reg.OpenKey('\Software\Microsoft\Windows\CurrentVersion\Policies\System', True) then
begin
if Key then
Reg.WriteString('DisableTaskMgr','1')
else
Reg.WriteInteger('DisableTaskMgr',0);
Reg.CloseKey;
end;
except
Reg.Free;
end;
end;