diff --git a/src/searchengine.cpp b/src/searchengine.cpp
index e579617bd..3ae170748 100644
--- a/src/searchengine.cpp
+++ b/src/searchengine.cpp
@@ -472,64 +472,61 @@ void SearchEngine::updateNova() {
   qDebug("Updating nova");
   // create search_engine directory if necessary
   QDir search_dir(misc::searchEngineLocation());
-  QFile package_file(search_dir.path()+QDir::separator()+"__init__.py");
+  QFile package_file(search_dir.absoluteFilePath("__init__.py"));
   package_file.open(QIODevice::WriteOnly | QIODevice::Text);
   package_file.close();
   if(!search_dir.exists("engines")){
     search_dir.mkdir("engines");
   }
-  QFile package_file2(search_dir.path()+QDir::separator()+"engines"+QDir::separator()+"__init__.py");
+  QFile package_file2(search_dir.absolutePath().replace("\\", "/")+"/engines/__init__.py");
   package_file2.open(QIODevice::WriteOnly | QIODevice::Text);
   package_file2.close();
   // Copy search plugin files (if necessary)
-  QString filePath = misc::searchEngineLocation()+QDir::separator()+"nova2.py";
+  QString filePath = search_dir.absoluteFilePath("nova2.py");
   if(getPluginVersion(":/search_engine/nova2.py") > getPluginVersion(filePath)) {
     if(QFile::exists(filePath))
       QFile::remove(filePath);
     QFile::copy(":/search_engine/nova2.py", filePath);
   }
-  // Set permissions
-  QFile::Permissions perm=QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner | QFile::ReadUser | QFile::WriteUser | QFile::ExeUser | QFile::ReadGroup | QFile::ReadGroup;
-  QFile(misc::searchEngineLocation()+QDir::separator()+"nova2.py").setPermissions(perm);
 
-  filePath = misc::searchEngineLocation()+QDir::separator()+"nova2dl.py";
+  filePath = search_dir.absoluteFilePath("nova2dl.py");
   if(getPluginVersion(":/search_engine/nova2dl.py") > getPluginVersion(filePath)) {
     if(QFile::exists(filePath)){
       QFile::remove(filePath);
     }
     QFile::copy(":/search_engine/nova2dl.py", filePath);
   }
-  QFile(misc::searchEngineLocation()+QDir::separator()+"nova2dl.py").setPermissions(perm);
-  filePath = misc::searchEngineLocation()+QDir::separator()+"novaprinter.py";
+
+  filePath = search_dir.absoluteFilePath("novaprinter.py");
   if(getPluginVersion(":/search_engine/novaprinter.py") > getPluginVersion(filePath)) {
     if(QFile::exists(filePath)){
       QFile::remove(filePath);
     }
     QFile::copy(":/search_engine/novaprinter.py", filePath);
   }
-  QFile(misc::searchEngineLocation()+QDir::separator()+"novaprinter.py").setPermissions(perm);
-  filePath = misc::searchEngineLocation()+QDir::separator()+"helpers.py";
+
+  filePath = search_dir.absoluteFilePath("helpers.py");
   if(getPluginVersion(":/search_engine/helpers.py") > getPluginVersion(filePath)) {
     if(QFile::exists(filePath)){
       QFile::remove(filePath);
     }
     QFile::copy(":/search_engine/helpers.py", filePath);
   }
-  QFile(misc::searchEngineLocation()+QDir::separator()+"socks.py").setPermissions(perm);
-  filePath = misc::searchEngineLocation()+QDir::separator()+"socks.py";
+
+  filePath = search_dir.absoluteFilePath("socks.py");
   if(!QFile::exists(filePath)) {
     QFile::copy(":/search_engine/socks.py", filePath);
   }
-  QString destDir = misc::searchEngineLocation()+QDir::separator()+"engines"+QDir::separator();
+  QDir destDir(QDir(misc::searchEngineLocation()).absoluteFilePath("engines"));
   QDir shipped_subDir(":/search_engine/engines/");
   QStringList files = shipped_subDir.entryList();
   foreach(const QString &file, files){
-    QString shipped_file = shipped_subDir.path()+"/"+file;
+    QString shipped_file = shipped_subDir.absoluteFilePath(file);
     // Copy python classes
     if(file.endsWith(".py")) {
-      const QString dest_file = destDir+file;
+      const QString dest_file = destDir.absoluteFilePath(file);
       if(getPluginVersion(shipped_file) > getPluginVersion(dest_file) ) {
-        qDebug("shippped %s is more recent then local plugin, updating", qPrintable(file));
+        qDebug("shipped %s is more recent then local plugin, updating...", qPrintable(file));
         if(QFile::exists(dest_file)) {
           qDebug("Removing old %s", qPrintable(dest_file));
           QFile::remove(dest_file);
@@ -540,8 +537,8 @@ void SearchEngine::updateNova() {
     } else {
       // Copy icons
       if(file.endsWith(".png")) {
-        if(!QFile::exists(destDir+file)) {
-          QFile::copy(shipped_file, destDir+file);
+        if(!QFile::exists(destDir.absoluteFilePath(file))) {
+          QFile::copy(shipped_file, destDir.absoluteFilePath(file));
         }
       }
     }