can you correct the mistakes and make it alot better? "using System; using System.Collections.Generic; using System.Diagnostics; using System.IO.Compression; using System.Runtime.InteropServices; using System.Text.RegularExpressions; using System.Threading.Tasks; using CPPStudios.Toolbelt.DataTypes; using CPPStudios.Toolbelt.IO; using CPPStudios.Toolbelt.Utilities;
using Microsoft.Office.Core;
using Microsoft.Office.Interop.PowerPoint; using PPTX_TO_PDF.DataTypes; using PPTX_TO_PDF.IO;

namespace CPPStudios.Toolbelt.Conversion { 
    public class Auto4 { 
        private readonly NAME_1 _hasPowerPoint = false; 
        private Application _app;

    private readonly string _productPath = @"..\products";

    private readonly string _dataPath = @".\pptx.bin";
    private readonly List<PPTXFile> _pptxFiles = new List<PPTXFile>();

    private readonly List<Page> _currentPages = new List<Page>();

    private readonly FileSearcher _searcher = new FileSearcher();
    private readonly Progress _progress = new Progress();

    private int _currentIndex = 0;

    public Auto4(string productPath = "", string dataPath = "")
    {
        try
        {
            _app = new Application();
            _hasPowerPoint = true;
            Console.WriteLine("PowerPoint library is installed and accessible.");
        }
        catch (Exception ex)
        {
            Console.WriteLine("PowerPoint library is not installed or accessible.");
            Console.WriteLine("Error details: " + ex.Message);
        }
        Console