diff --git a/Engines/Wine/Engine/Object/script.js b/Engines/Wine/Engine/Object/script.js
index 86cc1b3696..11d0ddf58f 100644
--- a/Engines/Wine/Engine/Object/script.js
+++ b/Engines/Wine/Engine/Object/script.js
@@ -301,13 +301,18 @@ Wine.prototype.kill = function () {
 
 /**
 *
-* @returns {Downloader}
+* @returns available Wine versions
 */
 Wine.prototype.getAvailableVersions = function () {
-    return new Downloader()
+    var versionsFile = this._wineEnginesDirectory + "/availableVersions.json";
+    touch(versionsFile);
+    new Downloader()
         .wizard(this._wizard)
         .url(this._wineWebServiceUrl)
-        .get()
+        .to(versionsFile)
+        .onlyIfUpdateAvailable(true)
+        .get();
+    return cat(versionsFile);
 };
 
 /**
diff --git a/Utils/Functions/Filesystem/Files/script.js b/Utils/Functions/Filesystem/Files/script.js
index b45cbe67fa..48bdece364 100644
--- a/Utils/Functions/Filesystem/Files/script.js
+++ b/Utils/Functions/Filesystem/Files/script.js
@@ -33,6 +33,12 @@ var remove = function(filePath) {
     return Bean("fileUtilities").remove(new java.io.File(filePath));
 };
 
+var touch = function(filePath) {
+    if (!fileExists(filePath)) {
+        Bean("fileUtilities").writeToFile(new java.io.File(filePath), "");
+    }
+};
+
 var writeToFile = function(filePath, content) {
     Bean("fileUtilities").writeToFile(new java.io.File(filePath), content);
 };
diff --git a/Utils/Functions/Net/Download/script.js b/Utils/Functions/Net/Download/script.js
index a63c5cff3f..e1770fdc64 100644
--- a/Utils/Functions/Net/Download/script.js
+++ b/Utils/Functions/Net/Download/script.js
@@ -32,6 +32,10 @@ var Downloader = function () {
         that._localFile = localFile;
         return that;
     };
+    that.onlyIfUpdateAvailable = function (onlyIfUpdateAvailable) {
+        that._onlyIfUpdateAvailable = onlyIfUpdateAvailable;
+        return that;
+    }
     that.get = function () {
         if (!that._message) {
             that._message = tr("Please wait while {0} is downloaded ...", that._fetchFileNameFromUrl(that._url));
@@ -41,9 +45,18 @@ var Downloader = function () {
             var progressBar = that._wizard.progressBar(that._message);
         }
 
+        if (that._onlyIfUpdateAvailable) {
+            if (!that._downloader.isUpdateAvailable(that._localFile, that._url)) {
+                print(that._localFile + " already up-to-date.");
+                return;
+            }
+        }
+
         if (that._localFile) {
             that._downloader.get(that._url, that._localFile, function (progressEntity) {
-                progressBar.accept(progressEntity);
+                if (progressBar) {
+                    progressBar.accept(progressEntity);
+                }
             });
 
             if (that._checksum) {
@@ -64,10 +77,10 @@ var Downloader = function () {
             }
         } else {
             return that._downloader.get(that._url, function (progressEntity) {
-                if(progressBar) {
+                if (progressBar) {
                     progressBar.accept(progressEntity);
                 }
             });
         }
     }
-};
\ No newline at end of file
+};