--- src/MainWindow.cpp.orig	2014-03-27 01:03:41.000000000 +0800
+++ src/MainWindow.cpp	2024-01-02 01:09:22.000000000 +0800
@@ -1181,35 +1181,6 @@
     if(reqsAreMeet)
         return ;
 
-    // search MikTex in Path environment variable
-    QString pathEnv(qgetenv("Path"));
-    QStringList pathsList = pathEnv.split(";");
-
-    QString MikTexPath;
-    foreach(QString path, pathsList){
-        if(path.contains("MikTex", Qt::CaseInsensitive)){
-            MikTexPath=path;
-            break;
-        }
-    }
-
-    qDebug() << "Found Miktex at: " << MikTexPath;
-
-    pdfLatexPath = QDir::toNativeSeparators(MikTexPath+"pdflatex.exe");
-    gsPath = QDir::toNativeSeparators(MikTexPath+"mgs.exe");
-    //pdfCairoPath = QDir::toNativeSeparators("pdftocairo.exe");
-
-    settings.setValue("pdflatex", pdfLatexPath);
-    settings.setValue("pdftocairo", pdfCairoPath);
-    settings.setValue("gs", gsPath);
-    settings.endGroup();
-
-    checkPdfLatex = QFile::exists(pdfLatexPath);
-
-    checkGS = QFile::exists(gsPath);
-
-    checkPdfCairo = QFile::exists(pdfCairoPath);
-
     if(!(checkPdfLatex && checkPdfCairo && checkGS)){
         QMessageBox::critical(this, tr("Error - EqualX"), reqMessage, QMessageBox::Ok);
     }