diff --git a/Tranga/MangaConnectors/MangaDex.cs b/Tranga/MangaConnectors/MangaDex.cs
index f0203bd..cd0226e 100644
--- a/Tranga/MangaConnectors/MangaDex.cs
+++ b/Tranga/MangaConnectors/MangaDex.cs
@@ -225,17 +225,27 @@ public class MangaDex : MangaConnector
     public override HttpStatusCode DownloadChapter(Chapter chapter, ProgressToken? progressToken = null)
     {
         if (progressToken?.cancellationRequested ?? false)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.RequestTimeout;
+        }
+
         Manga chapterParentManga = chapter.parentManga;
         Log($"Retrieving chapter-info {chapter} {chapterParentManga}");
         //Request URLs for Chapter-Images
         DownloadClient.RequestResult requestResult =
             downloadClient.MakeRequest($"https://api.mangadex.org/at-home/server/{chapter.url}?forcePort443=false'", (byte)RequestType.AtHomeServer);
         if ((int)requestResult.statusCode < 200 || (int)requestResult.statusCode >= 300)
+        {
+            progressToken?.Cancel();
             return requestResult.statusCode;
+        }
         JsonObject? result = JsonSerializer.Deserialize<JsonObject>(requestResult.result);
         if (result is null)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.NoContent;
+        }
 
         string baseUrl = result["baseUrl"]!.GetValue<string>();
         string hash = result["chapter"]!["hash"]!.GetValue<string>();
diff --git a/Tranga/MangaConnectors/MangaKatana.cs b/Tranga/MangaConnectors/MangaKatana.cs
index 12f15cd..70c60b2 100644
--- a/Tranga/MangaConnectors/MangaKatana.cs
+++ b/Tranga/MangaConnectors/MangaKatana.cs
@@ -186,7 +186,11 @@ public class MangaKatana : MangaConnector
 	public override HttpStatusCode DownloadChapter(Chapter chapter, ProgressToken? progressToken = null)
 	{
 		if (progressToken?.cancellationRequested ?? false)
+		{
+			progressToken?.Cancel();
 			return HttpStatusCode.RequestTimeout;
+		}
+
 		Manga chapterParentManga = chapter.parentManga;
 		Log($"Retrieving chapter-info {chapter} {chapterParentManga}");
 		string requestUrl = chapter.url;
@@ -194,7 +198,10 @@ public class MangaKatana : MangaConnector
 		DownloadClient.RequestResult requestResult =
 			downloadClient.MakeRequest(requestUrl, 1);
 		if ((int)requestResult.statusCode < 200 || (int)requestResult.statusCode >= 300)
+		{
+			progressToken?.Cancel();
 			return requestResult.statusCode;
+		}
 
 		string[] imageUrls = ParseImageUrlsFromHtml(requestUrl);
 
diff --git a/Tranga/MangaConnectors/Manganato.cs b/Tranga/MangaConnectors/Manganato.cs
index 6b3cd23..d56a298 100644
--- a/Tranga/MangaConnectors/Manganato.cs
+++ b/Tranga/MangaConnectors/Manganato.cs
@@ -172,17 +172,28 @@ public class Manganato : MangaConnector
     public override HttpStatusCode DownloadChapter(Chapter chapter, ProgressToken? progressToken = null)
     {
         if (progressToken?.cancellationRequested ?? false)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.RequestTimeout;
+        }
+
         Manga chapterParentManga = chapter.parentManga;
         Log($"Retrieving chapter-info {chapter} {chapterParentManga}");
         string requestUrl = chapter.url;
         DownloadClient.RequestResult requestResult =
             downloadClient.MakeRequest(requestUrl, 1);
         if ((int)requestResult.statusCode < 200 || (int)requestResult.statusCode >= 300)
+        {
+            progressToken?.Cancel();
             return requestResult.statusCode;
+        }
 
         if (requestResult.htmlDocument is null)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.InternalServerError;
+        }
+
         string[] imageUrls = ParseImageUrlsFromHtml(requestResult.htmlDocument);
         
         string comicInfoPath = Path.GetTempFileName();
diff --git a/Tranga/MangaConnectors/Mangasee.cs b/Tranga/MangaConnectors/Mangasee.cs
index aeae553..382b1c2 100644
--- a/Tranga/MangaConnectors/Mangasee.cs
+++ b/Tranga/MangaConnectors/Mangasee.cs
@@ -179,16 +179,27 @@ public class Mangasee : MangaConnector
     public override HttpStatusCode DownloadChapter(Chapter chapter, ProgressToken? progressToken = null)
     {
         if (progressToken?.cancellationRequested ?? false)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.RequestTimeout;
+        }
+
         Manga chapterParentManga = chapter.parentManga;
-        if (progressToken?.cancellationRequested??false)
+        if (progressToken?.cancellationRequested ?? false)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.RequestTimeout;
-        
+        }
+
         Log($"Retrieving chapter-info {chapter} {chapterParentManga}");
 
         DownloadClient.RequestResult requestResult = this.downloadClient.MakeRequest(chapter.url, 1);
-        if(requestResult.htmlDocument is null)
+        if (requestResult.htmlDocument is null)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.RequestTimeout;
+        }
+
         HtmlDocument document = requestResult.htmlDocument;
         
         HtmlNode gallery = document.DocumentNode.Descendants("div").First(div => div.HasClass("ImageGallery"));
diff --git a/Tranga/MangaConnectors/Mangaworld.cs b/Tranga/MangaConnectors/Mangaworld.cs
index ae61871..9501b21 100644
--- a/Tranga/MangaConnectors/Mangaworld.cs
+++ b/Tranga/MangaConnectors/Mangaworld.cs
@@ -153,17 +153,28 @@ public class Mangaworld: MangaConnector
     public override HttpStatusCode DownloadChapter(Chapter chapter, ProgressToken? progressToken = null)
     {
         if (progressToken?.cancellationRequested ?? false)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.RequestTimeout;
+        }
+
         Manga chapterParentManga = chapter.parentManga;
         Log($"Retrieving chapter-info {chapter} {chapterParentManga}");
         string requestUrl = $"{chapter.url}?style=list";
         DownloadClient.RequestResult requestResult =
             downloadClient.MakeRequest(requestUrl, 1);
         if ((int)requestResult.statusCode < 200 || (int)requestResult.statusCode >= 300)
+        {
+            progressToken?.Cancel();
             return requestResult.statusCode;
+        }
 
         if (requestResult.htmlDocument is null)
+        {
+            progressToken?.Cancel();
             return HttpStatusCode.InternalServerError;
+        }
+
         string[] imageUrls = ParseImageUrlsFromHtml(requestResult.htmlDocument);
         
         string comicInfoPath = Path.GetTempFileName();