#include <windows.h>
#include <stdio.h>
#include <iostream>
#include <ctime>
using namespace std;
 
void debuggerPresent() {
         SYSTEMTIME st, lt;
 
    GetSystemTime(&st);
    GetLocalTime(&lt);
     cout << "Application error or Debugger Present!!!" << endl;
     return;
     }
 
void noDebug(int mode){
         SYSTEMTIME st, lt;
 
    GetSystemTime(&st);
    GetLocalTime(&lt);
     if(mode = st.wMonth) {
             //Do the main username/password thing here....
     }
     else {
          debuggerPresent();
     }
     return;
}
 
 
 
int main() {
    BOOL WINAPI IsDebuggerPresent(void);
 
    SYSTEMTIME st, lt;
 
    GetSystemTime(&st);
    GetLocalTime(&lt);
 
    int day = st.wMonth;
 
    if(!IsDebuggerPresent) {
         noDebug(day);
         return 0;
         }
    if(IsDebuggerPresent) {
         debuggerPresent();
         system("pause");
         return 0;
         }
 
    return 0;
}

41 C:\Dev-Cpp\files\crackMes\debuggerPresent\ver1.cpp [Warning] the address of `BOOL IsDebuggerPresent()', will always evaluate as `true' 
45 C:\Dev-Cpp\files\crackMes\debuggerPresent\ver1.cpp [Warning] the address of `BOOL IsDebuggerPresent()', will always evaluate as `true'