file invalid or corrupt

I'm getting an error message stating the file is invalid or corrupt.

#include "stdafx.h"
#include <iostream>
#include <string>
#include <cstring>
#include <cmath>
#include <iomanip>
#include <fstream>
#include <cassert>
#include <cstdlib>
#include <ctime>
#include <cctype>
#include <algorithm>
#include <sstream>
#include <time.h>
#include <vector>

using namespace std;
using namespace System;

void main()
string namein;
cout<<"Enter your first name-->";
cout<<"Your name was: "<<namein;


//This is the error message I'm getting//

1>------ Build started: Project: first_assignment-upton,travis, Configuration: Release Win32 ------
1>LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
Last edited on
Try not to use system, its not a good thing to start doing.

I tried this and the only error was the namespace System, remove that and it should work.

In the future use the code brackets
Thank you Pickle Gunner for such a speedy reply but, unfortunately after removing what you suggested I get the same error message. I installed visual studio 2010 express last night and I get an error stating the project is out of date when trying to run it. I am wondering if I just need to uninstall and start fresh. Any suggestions? Thank you in advance.
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