#define CONTAINER L"test"
int main(void)
{
	HCRYPTPROV hProv = 0;
	HCRYPTKEY hKey = 0;
    if(!CryptAcquireContext(&hProv,CONTAINER,NULL,PROV_GOST_2001_DH,CRYPT_SILENT)) 
    {
        HandleError("Error during CryptAcquireContext.");
    }
	if(!CryptSetProvParam(hProv,PP_DELETE_SAVED_PASSWD,NULL,0))
	{
		HandleError("Error password delete");
	}
	printf("Password delete\n");
	return 0;
}

An error occurred in running the program.
Error password delete
Error number -2146893792
.Program terminating.