diff --git a/ZeroLevel.SQL/ZeroLevel.SQL.csproj b/ZeroLevel.SQL/ZeroLevel.SQL.csproj
index 4c1ce21..ba8a81d 100644
--- a/ZeroLevel.SQL/ZeroLevel.SQL.csproj
+++ b/ZeroLevel.SQL/ZeroLevel.SQL.csproj
@@ -17,6 +17,13 @@
     <PackageReleaseNotes>Move to new ZeroLevelVersion</PackageReleaseNotes>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Include="..\zero.png" Link="zero.png">
+      <PackagePath></PackagePath>
+      <Pack>True</Pack>
+    </None>
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="System.Data.Common" Version="4.3.0" />
     <PackageReference Include="System.Data.SqlClient" Version="4.8.2" />
@@ -27,11 +34,4 @@
     <ProjectReference Include="..\ZeroLevel\ZeroLevel.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <None Include="E:\Desktop\Developing\NUGET\zero.png">
-      <Pack>True</Pack>
-      <PackagePath></PackagePath>
-    </None>
-  </ItemGroup>
-
 </Project>
diff --git a/ZeroLevel.SqLite/BaseSqLiteDB.cs b/ZeroLevel.SqLite/BaseSqLiteDB.cs
index 631ef8d..ebb8b2a 100644
--- a/ZeroLevel.SqLite/BaseSqLiteDB.cs
+++ b/ZeroLevel.SqLite/BaseSqLiteDB.cs
@@ -1,5 +1,5 @@
-using System.Data.SQLite;
-using System;
+using System;
+using System.Data.SQLite;
 using System.IO;
 using ZeroLevel.Services.FileSystem;
 
diff --git a/ZeroLevel.SqLite/ZeroLevel.SqLite.csproj b/ZeroLevel.SqLite/ZeroLevel.SqLite.csproj
index 35966e2..2c37fd1 100644
--- a/ZeroLevel.SqLite/ZeroLevel.SqLite.csproj
+++ b/ZeroLevel.SqLite/ZeroLevel.SqLite.csproj
@@ -27,7 +27,7 @@ Based on System.Data.SQLite.Core</Description>
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Data.SQLite.Core" Version="1.0.113.1" />
+    <PackageReference Include="System.Data.SQLite.Core" Version="1.0.114.3" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/ZeroLevel/Services/FileSystem/PeriodicFileSystemWatcher.cs b/ZeroLevel/Services/FileSystem/PeriodicFileSystemWatcher.cs
index 05607e9..25ce6eb 100644
--- a/ZeroLevel/Services/FileSystem/PeriodicFileSystemWatcher.cs
+++ b/ZeroLevel/Services/FileSystem/PeriodicFileSystemWatcher.cs
@@ -78,7 +78,9 @@ namespace ZeroLevel.Services.FileSystem
             {
                 return;
             }
-            OnStartMovingFilesToTemporary?.Invoke(files.Length);
+            foreach (Action<int> startFilesMoveingCallback in OnStartMovingFilesToTemporary.GetInvocationList())
+                startFilesMoveingCallback.BeginInvoke(files.Length, null, null);
+
             foreach (var file in files)
             {
                 if (!File.Exists(file))
@@ -100,7 +102,9 @@ namespace ZeroLevel.Services.FileSystem
                         Log.SystemWarning($"[PeriodicFileSystemWatcher.CheckSourceFolder] Failed to move file '{file}' to temporary directory '{_temporaryFolder}'. Without system error!");
                         continue;
                     }
-                    OnMovingFileToTemporary?.Invoke(file, tempFile);
+
+                    foreach (Action<string,string> moveFileToTempCallback in OnMovingFileToTemporary.GetInvocationList())
+                        moveFileToTempCallback.BeginInvoke(file, tempFile, null, null);
                 }
                 catch (Exception ex)
                 {
@@ -110,7 +114,7 @@ namespace ZeroLevel.Services.FileSystem
                 Log.Debug($"[PeriodicFileSystemWatcher.CheckSourceFolder] Handle file {file}");
                 try
                 {
-                    _callback(new FileMeta(Path.GetFileName(file), tempFile));
+                    _callback.Invoke(new FileMeta(Path.GetFileName(file), tempFile));
                 }
                 catch (Exception ex)
                 {
@@ -128,7 +132,8 @@ namespace ZeroLevel.Services.FileSystem
                     Log.SystemError(ex, $"[PeriodicFileSystemWatcher.CheckSourceFolder] Fault delete file {tempFile}");
                 }
             }
-            OnCompleteMovingFilesToTemporary?.Invoke();
+            foreach (Action completeFileMovingCallback in OnCompleteMovingFilesToTemporary.GetInvocationList())
+                completeFileMovingCallback.BeginInvoke(null, null);
         }
 
         /// <summary>
diff --git a/ZeroLevel/Services/Network/Proxies/Proxy.cs b/ZeroLevel/Services/Network/Proxies/Proxy.cs
index cfa143e..f5641a9 100644
--- a/ZeroLevel/Services/Network/Proxies/Proxy.cs
+++ b/ZeroLevel/Services/Network/Proxies/Proxy.cs
@@ -59,7 +59,8 @@ namespace ZeroLevel.Services.Network.Proxies
                 }
             }
             catch (Exception ex)
-            { 
+            {
+                Log.SystemError(ex, "[Proxy.CreateProxyConnection]");
             }
         }
 
@@ -71,7 +72,9 @@ namespace ZeroLevel.Services.Network.Proxies
                 _incomingSocket.Dispose();
             }
             catch (Exception ex)
-            { }
+            {
+                Log.SystemError(ex, "[Proxy.Dispose]");
+            }
         }
     }
 }
diff --git a/ZeroLevel/Services/Web/UrlUtility.cs b/ZeroLevel/Services/Web/UrlUtility.cs
index 87c8fff..8b0ae63 100644
--- a/ZeroLevel/Services/Web/UrlUtility.cs
+++ b/ZeroLevel/Services/Web/UrlUtility.cs
@@ -1,7 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
 using System.Text;
 using System.Text.RegularExpressions;