diff -ruaN drupal-7.35.orig/includes/module.inc drupal-7.35/includes/module.inc
--- drupal-7.35.orig/includes/module.inc	2015-03-24 23:50:56.164295700 +0200
+++ drupal-7.35/includes/module.inc	2015-03-24 23:48:11.000000000 +0200
@@ -392,12 +392,6 @@
         // This module is not found in the filesystem, abort.
         return FALSE;
       }
-      if ($module_data[$module]->status) {
-        // Skip already enabled modules.
-        unset($module_list[$module]);
-        continue;
-      }
-      $module_list[$module] = $module_data[$module]->sort;
 
       // Add dependencies to the list, with a placeholder weight.
       // The new modules will be processed as the while loop continues.
@@ -408,6 +402,15 @@
       }
     }
 
+    // Handle modules removal separatelly to prevent looping caused dependency loop between enabled modules.
+    foreach (array_keys($module_list) as $module) {
+      // Remove already enabled modules.
+      if ($module_data[$module]->status) {
+        // Skip already enabled modules.
+        unset($module_list[$module]);
+      }
+    }
+
     if (!$module_list) {
       // Nothing to do. All modules already enabled.
       return TRUE;