bug fix. race condition. can't check for book-exists-state before setting this state

FileLiberator/DownloadDecryptBook.cs

@@ -49,9 +49,6 @@ namespace FileLiberator
                 // moves files and returns dest dir
                 _ = moveFilesToBooksDir(libraryBook.Book, outputAudioFilename);
 
-                if (!libraryBook.Book.Audio_Exists)
-                    return new StatusHandler { "Cannot find final audio file after decryption" };
-
                 // only need to update if success. if failure, it will remain at 0 == NotLiberated
                 ApplicationServices.LibraryCommands.UpdateBook(libraryBook, LiberatedStatus.Liberated);
 

LibationLauncher/LibationLauncher.csproj

@@ -13,7 +13,7 @@
     <!-- <PublishSingleFile>true</PublishSingleFile> -->
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
 
-    <Version>5.5.2.1</Version>
+    <Version>5.5.3.1</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">