#include<windows.h>
#include<stdio.h>


main()
{

TOKEN_PRIVILEGES tp;
HANDLE hToken;
LUID luid;

 if(!OpenProcessToken(GetCurrentProcess(),
                        TOKEN_ADJUST_PRIVILEGES,
                        &hToken ));


 if(!LookupPrivilegeValue(NULL, SE_BACKUP_NAME, &luid));

 tp.PrivilegeCount           =  1 ;
 tp.Privileges[ 0 ].Luid       = luid;
 tp.Privileges[ 0 ].Attributes = SE_PRIVILEGE_ENABLED;


AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES),
                                NULL, NULL );

 //здесь по идее надо проверить ошибки насчет полученного доступа 

 HKEY hk;
 LONG result= 0 ;
 DWORD dwDisposition;

 if(RegOpenKey(HKEY_LOCAL_MACHINE,"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",&hk)!=ERROR_SUCCESS)
	 MessageBox(NULL,"registry open","ERROR",MB_OK);
 
 


 
 result=RegSaveKey(hk, "c:\\temp\\reg\\reg2", NULL);
 if(result!=ERROR_SUCCESS)
 {
	 char err[ 80 ];
	 sprintf(err,"error: %u result=%u",GetLastError(),result);
        MessageBox(NULL,err,"ERROR",MB_OK);
 }
 if(RegCloseKey(hk)!=ERROR_SUCCESS)
		MessageBox(NULL,"registry close","ERROR",MB_OK);

}