diff --git a/www/js/app.js b/www/js/app.js
index e1570484..4684e69b 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -1111,6 +1111,9 @@ define(['jquery', 'zimArchiveLoader', 'uiUtil', 'settingsStore','abstractFilesys
                 settingsStore.setItem("lastSelectedArchive", archiveDirectory, Infinity);
                 // The archive is set : go back to home page to start searching
                 $("#btnHome").click();
+            }, function (message, label) {
+                // callbackError which is called in case of an error
+                uiUtil.systemAlert(message, label);
             });
 
         }
@@ -1199,6 +1202,9 @@ define(['jquery', 'zimArchiveLoader', 'uiUtil', 'settingsStore','abstractFilesys
             // The archive is set : go back to home page to start searching
             $("#btnHome").click();
             document.getElementById('downloadInstruction').style.display = 'none';
+        }, function (message, label) {
+            // callbackError which is called in case of an error
+            uiUtil.systemAlert(message, label);
         });
     }
 
@@ -1673,12 +1679,12 @@ define(['jquery', 'zimArchiveLoader', 'uiUtil', 'settingsStore','abstractFilesys
             Array.prototype.slice.call(iframe.querySelectorAll('a, area')).forEach(function (anchor) {
                 // Attempts to access any properties of 'this' with malformed URLs causes app crash in Edge/UWP [kiwix-js #430]
                 try {
-                    var testHref = anchor.href;
+                    var href = anchor.href;
                 } catch (err) {
                     console.error('Malformed href caused error:' + err.message);
                     return;
                 }
-                var href = anchor.getAttribute('href');
+                href = anchor.getAttribute('href');
                 if (href === null || href === undefined || /^javascript:/i.test(anchor.protocol)) return;
                 var anchorTarget = href.match(regexpLocalAnchorHref);
                 if (href.length === 0) {
diff --git a/www/js/lib/zimArchive.js b/www/js/lib/zimArchive.js
index 985eb401..eaef9682 100644
--- a/www/js/lib/zimArchive.js
+++ b/www/js/lib/zimArchive.js
@@ -20,8 +20,8 @@
  * along with Kiwix (file LICENSE-GPLv3.txt).  If not, see <http://www.gnu.org/licenses/>
  */
 'use strict';
-define(['zimfile', 'zimDirEntry', 'util', 'utf8', 'uiUtil'],
-    function(zimfile, zimDirEntry, util, utf8, uiUtil) {
+define(['zimfile', 'zimDirEntry', 'util', 'utf8'],
+    function(zimfile, zimDirEntry, util, utf8) {
     
     /**
      * ZIM Archive
@@ -49,8 +49,9 @@ define(['zimfile', 'zimDirEntry', 'util', 'utf8', 'uiUtil'],
      * @param {StorageFirefoxOS|Array<Blob>} storage Storage (in this case, the path must be given) or Array of Files (path parameter must be omitted)
      * @param {String} path The Storage path for an OS that requires this to be specified
      * @param {callbackZIMArchive} callbackReady The function to call when the archive is ready to use
+     * @param {callbackZIMArchive} callbackError The function to call when an error occurs
      */
-    function ZIMArchive(storage, path, callbackReady) {
+    function ZIMArchive(storage, path, callbackReady, callbackError) {
         var that = this;
         that._file = null;
         that._language = ""; //@TODO
@@ -91,16 +92,16 @@ define(['zimfile', 'zimDirEntry', 'util', 'utf8', 'uiUtil'],
         } else {
             if (/.*zim..$/.test(path)) {
                 // split archive
-                that._searchArchiveParts(storage, path.slice(0, -2)).then(function(fileArray) {
+                that._searchArchiveParts(storage, path.slice(0, -2)).then(function (fileArray) {
                     createZimfile(fileArray);
-                }, function(error) {
-                    uiUtil.systemAlert("Error reading files in split archive " + path + ": " + error, "Error reading archive files");
+                }).catch(function (error) {
+                    callbackError("Error reading files in split archive " + path + ": " + error, "Error reading archive files");
                 });
             } else {
-                storage.get(path).then(function(file) {
+                storage.get(path).then(function (file) {
                     createZimfile([file]);
-                }, function(error) {
-                    uiUtil.systemAlert("Error reading ZIM file " + path + " : " + error, "Error reading archive file");
+                }).catch(function (error) {
+                    callbackError("Error reading ZIM file " + path + " : " + error, "Error reading archive file");
                 });
             }
         }
diff --git a/www/js/lib/zimArchiveLoader.js b/www/js/lib/zimArchiveLoader.js
index bb31c28f..d74f3432 100644
--- a/www/js/lib/zimArchiveLoader.js
+++ b/www/js/lib/zimArchiveLoader.js
@@ -27,21 +27,23 @@ define(['zimArchive', 'jquery', 'uiUtil'],
      * Create a ZIMArchive from DeviceStorage location
      * @param {DeviceStorage} storage
      * @param {String} path
-     * @param {callbackZIMArchive} callback
+     * @param {callbackZIMArchive} callbackReady
+     * @param {callbackZIMArchive} callbackError
      * @returns {ZIMArchive}
      */
-    function loadArchiveFromDeviceStorage(storage, path, callback) {
-        return new zimArchive.ZIMArchive(storage, path, callback);
+    function loadArchiveFromDeviceStorage(storage, path, callbackReady, callbackError) {
+        return new zimArchive.ZIMArchive(storage, path, callbackReady, callbackError);
     };
     /**
      * Create a ZIMArchive from Files
      * @param {Array.<File>} files
-     * @param {callbackZIMArchive} callback
+     * @param {callbackZIMArchive} callbackReady
+     * @param {callbackZIMArchive} callbackError
      * @returns {ZIMArchive}
      */
-    function loadArchiveFromFiles(files, callback) {
+    function loadArchiveFromFiles(files, callbackReady, callbackError) {
         if (files.length >= 1) {
-            return new zimArchive.ZIMArchive(files, null, callback);
+            return new zimArchive.ZIMArchive(files, null, callbackReady, callbackError);
         }
     };