Исправлена логика открытия файлов

source/ublexec.cc

@@ -629,8 +629,14 @@ string MainWindow::start_cmd(string user_cmd) {
     }
     string cmd = "";
     if (path_file.length() > 0) {
+        if (access(path_file.c_str(), X_OK) != -1) {
+            cmd = str_nice_cmd + str_cmd_terminal + str_variants_root + " " + path_file;
+        }
+        else{
             cmd = str_nice_cmd + str_cmd_terminal + str_variants_root + " xdg-open '" + path_file + "' ";
         }
+        
+    }
     else if (name_app.length() > 0) {
         cmd = str_nice_cmd + str_cmd_terminal + str_variants_root  + name_app;
     }