diff --git a/Tumbl Tool/Image Ripper/ImageRipper.cs b/Tumbl Tool/Image Ripper/ImageRipper.cs
index d98f1ed..1a9f5b6 100644
--- a/Tumbl Tool/Image Ripper/ImageRipper.cs	
+++ b/Tumbl Tool/Image Ripper/ImageRipper.cs	
@@ -143,7 +143,7 @@ public void generateImageListForDownload(HashSet<TumblrPost> posts)
                 removeHash.UnionWith(new HashSet<PhotoPostImage>((from p in imageList where p.filename.ToLower().EndsWith(".png") select p)));
             }
 
-            this.imageList.RemoveWhere(x => removeHash.Any(y => x.filename == y.filename));
+            this.imageList.RemoveWhere(x => removeHash.Contains(x));
         }
 
         public HashSet<TumblrPost> getTumblrPostList(int start = 0)
@@ -160,9 +160,10 @@ public HashSet<TumblrPost> getTumblrPostList(int start = 0)
                     query = JSONHelper.getQueryString(this.tumblrDomain, tumblrPostTypes.photo.ToString(), start);
                 }
 
-                if (this.crawlManager.isValidTumblr(@query))
+                this.crawlManager.getDocument(query);
+
+                if (this.crawlManager.jsonDocument != null)
                 {
-                    this.crawlManager.getDocument(query);
                     HashSet<TumblrPost> posts = crawlManager.getPostList(tumblrPostTypes.photo.ToString(), apiMode);
                     return posts;
                 }
@@ -260,9 +261,9 @@ public TumblrBlog parseBlogPosts(int parseMode)
                     {
                         HashSet<TumblrPost> posts = getTumblrPostList(i);
 
-                        HashSet<TumblrPost> existingHash = new HashSet<TumblrPost>((from p in posts where this.existingImageList.Any(s => s.ToLower() == p.photos.First().filename.ToLower()) select p));
+                        HashSet<TumblrPost> existingHash = new HashSet<TumblrPost>((from p in posts where this.existingImageList.Contains(p.photos.First().filename.ToLower()) select p));
 
-                        posts.RemoveWhere(x => existingHash.Any(y => x.id == y.id));
+                        posts.RemoveWhere(x => existingHash.Contains(x));
 
                         this.blog.posts.UnionWith(posts);
                         this.parsedPosts += posts.Count;
diff --git a/Tumbl Tool/Managers/CrawlManager.cs b/Tumbl Tool/Managers/CrawlManager.cs
index a995596..f8df21a 100644
--- a/Tumbl Tool/Managers/CrawlManager.cs	
+++ b/Tumbl Tool/Managers/CrawlManager.cs	
@@ -52,6 +52,16 @@ public void getJSONDocument(string url)
             try
             {
                 this.jsonDocument = JSONHelper.getJSONObject(url);
+
+                 if ((this.jsonDocument != null && this.jsonDocument.meta != null && this.jsonDocument.meta.status == ((int)tumblrAPIResponseEnum.OK).ToString()))
+                 {
+
+                 }
+
+                 else
+                 {
+                     this.jsonDocument = null;
+                 }
             }
             catch
             {