如何关闭系统文件保护功能

/*得到进程的ID，具体的方法可以使用CreateToolHelpSnap32()，ProcessFirst32()以及ProcessNext32()得到*/
DWORD dwPid=GetProcessIdFromName(“Winlogon.exe”);
HANDLE Process=OpenProcess(，FALSE，dwPid);
DWORD dwVersion;
HMODULE hSfc;
dwVersion = GetVersion();
//判断操作系统的类型
   if ((DWORD)(LOBYTE(LOWORD(dwVersion))) == 5)
{            // Windows 2000/XP
     if((DWORD)(HIBYTE(LOWORD(dwVersion))) == 0)    //Windows 2000
             hSfc = LoadLibrary("sfc.dll");     
     else if((DWORD)(HIBYTE(LOWORD(dwVersion))) = 1)          //Windows XP
         hSfc = LoadLibrary("sfc_os.dll");     
   }   
//得到函数的地址
FARPROC dwAddress=GerProcAddress(hSfc， MAKEINTRESOURCE(2));
DWORD dwThreadId;
HANDLE hThread;
//创建远线程
hThread =CreateRemoteThread(hProcess，0，0， /
(DWORD (__stdcall *) (void *)) dwAddress，0，0，&dwThreadId);
WaitForSingleObject(hThread，0x0FA0);

//这里就自己发挥了   呵呵