Автозагрузка WinAPI

#include "stdafx.h"
#include <windows.h>
//#include <tlhelp32.h>
#include <iostream>
using namespace std;
 
BOOL IsBoot()
{
    HKEY key;
    if ((RegOpenKeyEx(HKEY_LOCAL_MACHINE,L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",0,KEY_WRITE,&key)) == ERROR_SUCCESS)
    {
        if((RegGetValue(key, NULL, L"processExplorer",RRF_RT_REG_SZ, NULL, NULL, NULL)) == ERROR_SUCCESS) return TRUE;
        else return FALSE;
    }
    else cout << "A problem with RegOpenKeyEx() in IsBoot" << endl;
}
 
 
void DoUndoBoot(BOOL isBoot)
{
    HKEY key;
 
    if (isBoot == FALSE)
    {
        cout << "Would you like to add this application on boot? Y - to add. ";
        char* choiceFirstStep = new char;
        char choiceNextStep = 0;
        cin >> *choiceFirstStep;
        choiceNextStep = *choiceFirstStep;
        if (choiceNextStep == 'Y' || choiceNextStep == 'y')
        {
            if ((RegOpenKeyEx(HKEY_LOCAL_MACHINE,L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",0,KEY_WRITE,&key)) == ERROR_SUCCESS)
            {
                TCHAR path[MAX_PATH];
                GetModuleFileName(NULL,path,MAX_PATH);
                if ((RegSetValueEx(key,L"processExplorer",0,REG_SZ ,(LPBYTE) path, (wcslen(path) + 1) * sizeof (wchar_t))) != ERROR_SUCCESS)
                    cout << "A problem with RegSetValueEx()" << endl;
                RegCloseKey(key);
            }
            else cout << "A problem with RegOpenKeyEx() in DoUndoBoot" << endl;
        }
    }
    else
    {
        cout << "Would you like to remove this application from boot? Y - to remove. ";
        char* choiceFirstStep = new char;
        char choiceNextStep = 0;
        cin >> *choiceFirstStep;
        choiceNextStep = *choiceFirstStep;
        if (choiceNextStep == 'Y' || choiceNextStep == 'y')
        {
            if ((RegOpenKeyEx(HKEY_LOCAL_MACHINE,L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",0,KEY_WRITE,&key)) == ERROR_SUCCESS)
            {
                RegDeleteValue(key,L"processExplorer");
                RegCloseKey(key);
            }
            else cout << "A problem with RegOpenKeyEx() in DoUndoBoot" << endl;
        }
    }
}
 
int _tmain(int argc, _TCHAR* argv[])
{
    BOOL isBoot = IsBoot();
    DoUndoBoot(isBoot);
// Для примера пусть будет просто Hello, World!
    cout << "Hello, World!" << endl;
    system("pause");
    return 0;
}

BOOL IsBoot() {
    HKEY key;
    BOOL ret = FALSE;
    DWORD dwTemp;
    TCHAR path[MAX_PATH] = {0};
    static TCHAR regPath[] = TEXT("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run");
    if ((RegOpenKeyEx(HKEY_LOCAL_MACHINE, regPath,0,KEY_READ,&key)) != ERROR_SUCCESS) {
        std::cout << "RegOpenKeyEx() failed " << GetLastError() << std::endl;
    } else {
        dwTemp = sizeof(path);
        if ((RegGetValue(key, NULL, L"processExplorer", RRF_RT_REG_SZ, 0, path, &dwTemp)) != ERROR_SUCCESS) {
            std::cout << "RegGetValue failed " << GetLastError() << std::endl; 
        } else {
            ret = TRUE;
        }
        RegCloseKey(key);
    }
    return ret;
}

RegGetValue(key, NULL, L"processExplorer", RRF_RT_REG_SZ, 0, path, &dwTemp

else
    {
        cout << "Would you like to remove this application from boot? Y - to remove. ";
        char* choiceFirstStep = new char;
        char choiceNextStep = 0;
        cin >> *choiceFirstStep;
        choiceNextStep = *choiceFirstStep;
        if (choiceNextStep == 'Y' || choiceNextStep == 'y')
        {
            if ((RegOpenKeyEx(HKEY_LOCAL_MACHINE,L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",0,KEY_WRITE,&key)) == ERROR_SUCCESS)
            {
                if(RegDeleteValue(key,L"processExplorer") != ERROR_SUCCESS)
                    cout << "A problem with RegDeleteValue()" << endl;
                RegCloseKey(key);
            }
            else cout << "A problem with RegOpenKeyEx() in DoUndoBoot " << GetLastError() << endl;
        }