diff --git a/cps/helper.py b/cps/helper.py
index 722a6245..ae8c1534 100755
--- a/cps/helper.py
+++ b/cps/helper.py
@@ -236,8 +236,8 @@ def update_dir_structure_file(book_id, calibrepath):
             path = new_title_path
             localbook.path = localbook.path.split('/')[0] + '/' + new_titledir
         except OSError as ex:
-            web.app.logger.error("Rename title from: " + path + " to " + new_title_path)
-            web.app.logger.error(ex, exc_info=True)
+            web.app.logger.error("Rename title from: " + path + " to " + new_title_path + ": " + str(ex))
+            web.app.logger.debug(ex, exc_info=True)
             return _("Rename title from: '%(src)s' to '%(dest)s' failed with error: %(error)s", src=path, dest=new_title_path, error=str(ex))
     if authordir != new_authordir:
         try:
@@ -245,9 +245,9 @@ def update_dir_structure_file(book_id, calibrepath):
             os.renames(path, new_author_path)
             localbook.path = new_authordir + '/' + localbook.path.split('/')[1]
         except OSError as ex:
-            web.app.logger.error("Rename author from: " + path + " to " + new_author_path)
-            web.app.logger.error(ex, exc_info=True)
-            return _("Rename author from: '%(src)s' to '%(dest)s' failed with error: %(error)s", src=path, dest=new_title_path, error=str(ex))
+            web.app.logger.error("Rename author from: " + path + " to " + new_author_path + ": " + str(ex))
+            web.app.logger.debug(ex, exc_info=True)
+            return _("Rename author from: '%(src)s' to '%(dest)s' failed with error: %(error)s", src=path, dest=new_author_path, error=str(ex))
     return False
 
 
diff --git a/cps/templates/book_edit.html b/cps/templates/book_edit.html
index e2907624..5be6ac9d 100644
--- a/cps/templates/book_edit.html
+++ b/cps/templates/book_edit.html
@@ -6,9 +6,9 @@
   <div class="col-sm-3 col-lg-3 col-xs-12">
     <div class="cover">
       {% if book.has_cover %}
-        <img src="{{ url_for('get_cover', cover_path=book.path.replace('\\','/')) }}" />
+        <img src="{{ url_for('get_cover', cover_path=book.path.replace('\\','/')) }}" alt="{{ book.title }}"/>
       {% else %}
-        <img src="{{ url_for('static', filename='generic_cover.jpg') }}" />
+        <img src="{{ url_for('static', filename='generic_cover.jpg') }}" alt="{{ book.title }}"/>
       {% endif %}
     </div>
 {% if g.user.role_delete_books() %}
@@ -174,7 +174,7 @@
       </label>
     </div>
     <a href="#" id="get_meta" class="btn btn-default" data-toggle="modal" data-target="#metaModal">{{_('Get metadata')}}</a>
-    <button type="submit" class="btn btn-default">{{_('Submit')}}</button>
+    <button type="submit" id="submit" class="btn btn-default">{{_('Submit')}}</button>
     <a href="{{ url_for('show_book', book_id=book.id) }}" class="btn btn-default">{{_('Back')}}</a>
   </div>
 </form>
diff --git a/cps/templates/detail.html b/cps/templates/detail.html
index 420b98a6..44c3619f 100644
--- a/cps/templates/detail.html
+++ b/cps/templates/detail.html
@@ -250,7 +250,7 @@
       {% if g.user.role_edit() %}
       <div class="btn-toolbar" role="toolbar">
         <div class="btn-group" role="group" aria-label="Edit/Delete book">
-          <a href="{{ url_for('edit_book', book_id=entry.id) }}" class="btn btn-sm btn-warning" role="button"><span class="glyphicon glyphicon-edit"></span> {{_('Edit metadata')}}</a>
+          <a href="{{ url_for('edit_book', book_id=entry.id) }}" class="btn btn-sm btn-warning" id="edit_book" role="button"><span class="glyphicon glyphicon-edit"></span> {{_('Edit metadata')}}</a>
         </div>
       </div>
       {% endif %}
diff --git a/cps/web.py b/cps/web.py
index 2d1e5f3f..18f1f9e8 100644
--- a/cps/web.py
+++ b/cps/web.py
@@ -172,7 +172,12 @@ cache_buster.init_cache_busting(app)
 
 formatter = logging.Formatter(
     "[%(asctime)s] {%(pathname)s:%(lineno)d} %(levelname)s - %(message)s")
-file_handler = RotatingFileHandler(config.get_config_logfile(), maxBytes=50000, backupCount=2)
+try:
+    file_handler = RotatingFileHandler(config.get_config_logfile(), maxBytes=50000, backupCount=2)
+except IOError:
+    file_handler = RotatingFileHandler(os.path.join(config.get_main_dir, "calibre-web.log"),
+                                       maxBytes=50000, backupCount=2)
+    # ToDo: reset logfile value in config class
 file_handler.setFormatter(formatter)
 app.logger.addHandler(file_handler)
 app.logger.setLevel(config.config_log_level)
@@ -207,7 +212,8 @@ def get_locale():
     # if a user is logged in, use the locale from the user settings
     user = getattr(g, 'user', None)
     if user is not None and hasattr(user, "locale"):
-        return user.locale
+        if user.nickname != 'Guest':   # if the account is the guest account bypass the config lang settings
+            return user.locale
     translations = [item.language for item in babel.list_translations()] + ['en']
     preferred = [x.replace('-', '_') for x in request.accept_languages.values()]
     return negotiate_locale(preferred, translations)
@@ -3573,10 +3579,10 @@ def edit_book(book_id):
         # Update book
         edited_books_id = None
         #handle book title
-        if book.title != to_save["book_title"]:
+        if book.title != to_save["book_title"].rstrip().strip():
             if to_save["book_title"] == '':
                 to_save["book_title"] = _(u'unknown')
-            book.title = to_save["book_title"]
+            book.title = to_save["book_title"].rstrip().strip()
             edited_books_id = book.id
 
         # handle author(s)
@@ -3601,8 +3607,6 @@ def edit_book(book_id):
         error = False
         if edited_books_id:
             error = helper.update_dir_stucture(edited_books_id, config.config_calibre_dir)
-            if error:   # stop on error
-                flash(error, category="error")
 
         if not error:
             if to_save["cover_url"]: