// macaddress.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <windows.h>
#include <iostream>
using namespace std;

void readregistry();
void spoofmac();

void main(int argc, char* argv[])
{
    readregistry();
    spoofmac();
}

void spoofmac()
{
    //////////////////////
    ////////Write to Registry

    char buffer[60];
    unsigned long size = sizeof(buffer);
    HKEY software;
    LPCTSTR location;
    char adapternum[10]="";
    char numbers[11]="0123456789";
    char editlocation[]="System\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002bE10318}\\0000";
    char macaddress[60];

    cout << "\n//////////////////////////////////////////////////////////////////\nPlease Enter Number of Network Adapter to Spoof or type 'E' to Exit.\nE.g. 18\n\nNumber: ";
    cin >> adapternum;

    if (adapternum[0]=='E')
    {
        exit(0);
    }

    if (strlen(adapternum)==2)
    {
        editlocation[strlen(editlocation)-2]=adapternum[0];
        editlocation[strlen(editlocation)-1]=adapternum[1];
    }

    if (strlen(adapternum)==1)
    {
        editlocation[strlen(editlocation)-1]=adapternum[0];
    }
    if (strlen(adapternum)!=1 && strlen(adapternum)!=2)
    {
        cout << "Invaild Network Adapter Chosen\n\n";
        exit(0);
    }

    cout << "Please Enter the Desired Spoofed Mac Address Without Dashes\nE.g. 00123F0F6D7F\n\nNew Mac: ";
    cin >> macaddress;

    location = editlocation; //error line
    strcpy(buffer,macaddress);
    size=sizeof(buffer);
    RegCreateKey(HKEY_LOCAL_MACHINE,location,&software);
    //RegSetValueEx(software,"NetworkAddress",NULL,REG_SZ,(LPBYTE)buffer,size);
    RegCloseKey(software);

    cout << "\nMac Address Successfully Spoofed.\n\nWritten by Lyth0s\n\n";
}

void readregistry ()
{
    ////////////////////////////////////
    // Read From Registry
    char driver[60]="";
    char mac[60]="";
    char numbers[11]="0123456789";
    char editlocation[]="System\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002bE10318}\\0000";
    unsigned long driversize = sizeof(driver);
    unsigned long macsize = sizeof(mac);
    DWORD type;
    HKEY software;
    LPCTSTR location;
    int tenscount=0;
    int onescount=0;

    for (int x =0;x<=19; x+=1)
    {
        strcpy(driver,"");
        driversize=sizeof(driver);
        strcpy(mac,"");
        macsize=sizeof(mac);

        if (editlocation[strlen(editlocation)-1]=='9') 
        {
            tenscount+=1;
            onescount=0;
            editlocation[strlen(editlocation)-2]=numbers[tenscount];
        }

        editlocation[strlen(editlocation)-1]=numbers[onescount];
        location=editlocation; //error line

        //  cout << location << "\n";
        //  cout << "Checking 00" << location[strlen(location)-2] << location[strlen(location)-1] << "\n\n";
        RegCreateKey(HKEY_LOCAL_MACHINE,location,&software);
        RegQueryValueEx(software,"DriverDesc",NULL,&type,(LPBYTE)driver,&driversize);
        //RegCloseKey(software);
        //RegCreateKey(HKEY_LOCAL_MACHINE,location,&software);
        RegQueryValueEx(software,"NetworkAddress",NULL,&type,(LPBYTE)mac,&macsize);
        RegCloseKey(software);

        cout << x << ": " << driver << "| Mac: " << mac << "\n";
        onescount+=1;
    }
}

this program gives error as follows

error C2440: '=' : cannot convert from 'char [83]' to 'LPCTSTR'

why this error coming please explain