diff --git a/.gitignore b/.gitignore
index 43718433..09f749e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -333,4 +333,3 @@ ASALocalRun/
 # manually ignored files
 /__TODO.txt
 /DataLayer/LibationContext.db
-/AaxDecrypter/DecryptLib/avformat-58.dll.bak
diff --git a/AaxDecrypter/AaxDecrypter.csproj b/AaxDecrypter/AaxDecrypter.csproj
index 56b60933..daab451a 100644
--- a/AaxDecrypter/AaxDecrypter.csproj
+++ b/AaxDecrypter/AaxDecrypter.csproj
@@ -4,10 +4,6 @@
     <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
 
-  <ItemGroup>
-    <None Remove="DecryptLib\avformat-58.dll.bak" />
-  </ItemGroup>
-
   <ItemGroup>
     <Reference Include="taglib-sharp">
       <HintPath>lib\taglib-sharp.dll</HintPath>
diff --git a/AaxDecrypter/AaxToM4bConverter.cs b/AaxDecrypter/AaxToM4bConverter.cs
index b9237759..4fbfc4de 100644
--- a/AaxDecrypter/AaxToM4bConverter.cs
+++ b/AaxDecrypter/AaxToM4bConverter.cs
@@ -173,7 +173,7 @@ namespace AaxDecrypter
         {
             DecryptProgressUpdate?.Invoke(this, 0);
 
-            var tempRipFile = Path.Combine(outDir, "funny.aac");
+            var tempRipFile = Path.Combine(outDir, "funny.mp4");
 
             var fail = "WARNING-Decrypt failure. ";
 
@@ -235,7 +235,7 @@ namespace AaxDecrypter
                 + audible_iv
                 + " -i "
                 + "\"" + inputFileName + "\""
-                + " -c:a copy -vn -sn -dn -y -f adts "
+                + " -c:a copy -vn -sn -dn -y "
                 + "\"" + tempFileName + "\"";
 
             var info = new ProcessStartInfo
diff --git a/AaxDecrypter/DecryptLib/avformat-58.dll b/AaxDecrypter/DecryptLib/avformat-58.dll
index 37161814..18ccd0e7 100644
Binary files a/AaxDecrypter/DecryptLib/avformat-58.dll and b/AaxDecrypter/DecryptLib/avformat-58.dll differ
diff --git a/LibationLauncher/LibationLauncher.csproj b/LibationLauncher/LibationLauncher.csproj
index bc9b948c..baa93b8a 100644
--- a/LibationLauncher/LibationLauncher.csproj
+++ b/LibationLauncher/LibationLauncher.csproj
@@ -13,7 +13,7 @@
     <!-- <PublishSingleFile>true</PublishSingleFile> -->
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
 
-    <Version>4.4.0.42</Version>
+    <Version>4.4.0.34</Version>
   </PropertyGroup>
 
   <ItemGroup>