Enable and Disable removable drive using C++ !!

#include<cstdlib>
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
    int ch;
    while(1)
    {
       
       system("cls");
        cout<<"\nSelect an Option"<<endl<<"1.Disble pen Drive \n2.Enable pen Drive \n3.Exit"<<endl<<":";
        cin>>ch;
        if(ch==1)
            system("reg add HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\USBSTOR \/v Start \/t REG_DWORD \/d 4 \/f");
        else if(ch==2)
            system("reg add HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\USBSTOR \/v Start \/t REG_DWORD \/d 3 \/f");
        else if(ch==3)
            break;
        else
            cout<<"Wrong choice\n\n" ;    
        cout<<"Press any key to continoue............";
        getchar();
        getchar();
    }
    return 0;
}