diff --git a/Aviso/App.config b/Aviso/App.config
index cf5284a..46899ba 100644
--- a/Aviso/App.config
+++ b/Aviso/App.config
@@ -90,12 +90,16 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Threading.Tasks.Extensions" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.2.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.2.0.1" newVersion="4.2.0.1" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Spire.Pdf" publicKeyToken="663f351905198cb3" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-10.7.21.0" newVersion="10.7.21.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.Bcl.AsyncInterfaces" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
   <system.web>
diff --git a/Aviso/Aviso.vbproj b/Aviso/Aviso.vbproj
index 9a86296..cff782d 100644
--- a/Aviso/Aviso.vbproj
+++ b/Aviso/Aviso.vbproj
@@ -148,8 +148,8 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>C:\Program Files (x86)\GrapeCity\ActiveReports 15\Tools\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="BouncyCastle.Cryptography">
-      <HintPath>F:\PROGRAMMIERUNG\dll\ActiveReports18\allDll\BouncyCastle.Cryptography.dll</HintPath>
+    <Reference Include="BouncyCastle.Cryptography, Version=2.0.0.0, Culture=neutral, PublicKeyToken=072edcf4a5328938, processorArchitecture=MSIL">
+      <HintPath>..\packages\BouncyCastle.Cryptography.2.6.2\lib\net461\BouncyCastle.Cryptography.dll</HintPath>
     </Reference>
     <Reference Include="ChilkatDotNet47, Version=9.5.0.88, Culture=neutral, PublicKeyToken=eb5fc1fc52ef09bd, processorArchitecture=AMD64">
       <SpecificVersion>False</SpecificVersion>
@@ -201,32 +201,44 @@
     <Reference Include="Gemeinsames">
       <HintPath>..\Gemeinsames\bin\Debug\Gemeinsames.dll</HintPath>
     </Reference>
-    <Reference Include="itext.barcodes, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.barcodes.dll</HintPath>
+    <Reference Include="itext.barcodes, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.barcodes.dll</HintPath>
     </Reference>
-    <Reference Include="itext.forms, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.forms.dll</HintPath>
+    <Reference Include="itext.bouncy-castle-adapter, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.bouncy-castle-adapter.9.6.0\lib\net461\itext.bouncy-castle-adapter.dll</HintPath>
     </Reference>
-    <Reference Include="itext.io, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.io.dll</HintPath>
+    <Reference Include="itext.bouncy-castle-connector, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.bouncy-castle-connector.dll</HintPath>
     </Reference>
-    <Reference Include="itext.kernel, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.kernel.dll</HintPath>
+    <Reference Include="itext.commons, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.commons.9.6.0\lib\net461\itext.commons.dll</HintPath>
     </Reference>
-    <Reference Include="itext.layout, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.layout.dll</HintPath>
+    <Reference Include="itext.forms, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.forms.dll</HintPath>
     </Reference>
-    <Reference Include="itext.pdfa, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.pdfa.dll</HintPath>
+    <Reference Include="itext.io, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.io.dll</HintPath>
     </Reference>
-    <Reference Include="itext.sign, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.sign.dll</HintPath>
+    <Reference Include="itext.kernel, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.kernel.dll</HintPath>
     </Reference>
-    <Reference Include="itext.styledxmlparser, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.styledxmlparser.dll</HintPath>
+    <Reference Include="itext.layout, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.layout.dll</HintPath>
     </Reference>
-    <Reference Include="itext.svg, Version=7.1.11.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
-      <HintPath>..\packages\itext7.7.1.11\lib\net40\itext.svg.dll</HintPath>
+    <Reference Include="itext.pdfa, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.pdfa.dll</HintPath>
+    </Reference>
+    <Reference Include="itext.pdfua, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.pdfua.dll</HintPath>
+    </Reference>
+    <Reference Include="itext.sign, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.sign.dll</HintPath>
+    </Reference>
+    <Reference Include="itext.styledxmlparser, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.styledxmlparser.dll</HintPath>
+    </Reference>
+    <Reference Include="itext.svg, Version=9.6.0.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
+      <HintPath>..\packages\itext.9.6.0\lib\net461\itext.svg.dll</HintPath>
     </Reference>
     <Reference Include="itextsharp, Version=5.5.5.0, Culture=neutral, PublicKeyToken=8354ae6d2174ddca, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -397,8 +409,8 @@
     <Reference Include="Microsoft.AspNetCore.Http.Abstractions">
       <HintPath>..\..\..\dll\ASP.NET\Microsoft.AspNetCore.Http.Abstractions.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=1.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.1.0.0\lib\net461\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
+    <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=5.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.5.0.0\lib\net461\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Extensions.Configuration">
@@ -407,15 +419,27 @@
     <Reference Include="Microsoft.Extensions.Configuration.Abstractions">
       <HintPath>..\..\..\dll\ASP.NET\Microsoft.Extensions.Configuration.Abstractions.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Extensions.DependencyInjection">
-      <HintPath>..\..\..\dll\ASP.NET\Microsoft.Extensions.DependencyInjection.dll</HintPath>
+    <Reference Include="Microsoft.Extensions.DependencyInjection, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.DependencyInjection.5.0.0\lib\net461\Microsoft.Extensions.DependencyInjection.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Extensions.DependencyInjection.Abstractions">
-      <HintPath>..\..\..\dll\ASP.NET\Microsoft.Extensions.DependencyInjection.Abstractions.dll</HintPath>
+    <Reference Include="Microsoft.Extensions.DependencyInjection.Abstractions, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.DependencyInjection.Abstractions.5.0.0\lib\net461\Microsoft.Extensions.DependencyInjection.Abstractions.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.Extensions.Hosting">
       <HintPath>..\..\..\dll\ASP.NET\Microsoft.Extensions.Hosting.dll</HintPath>
     </Reference>
+    <Reference Include="Microsoft.Extensions.Logging, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.Logging.5.0.0\lib\net461\Microsoft.Extensions.Logging.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.Extensions.Logging.Abstractions, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.Logging.Abstractions.5.0.0\lib\net461\Microsoft.Extensions.Logging.Abstractions.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.Extensions.Options, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.Options.5.0.0\lib\net461\Microsoft.Extensions.Options.dll</HintPath>
+    </Reference>
+    <Reference Include="Microsoft.Extensions.Primitives, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Extensions.Primitives.5.0.0\lib\net461\Microsoft.Extensions.Primitives.dll</HintPath>
+    </Reference>
     <Reference Include="Microsoft.Office.Interop.Excel, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c, processorArchitecture=MSIL">
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </Reference>
@@ -455,6 +479,9 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Deployment" />
     <Reference Include="System.Design" />
+    <Reference Include="System.Diagnostics.DiagnosticSource, Version=5.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Diagnostics.DiagnosticSource.5.0.0\lib\net46\System.Diagnostics.DiagnosticSource.dll</HintPath>
+    </Reference>
     <Reference Include="System.DirectoryServices" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Drawing.Design" />
@@ -501,6 +528,9 @@
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Runtime.Serialization.Formatters.Soap" />
     <Reference Include="System.Security" />
+    <Reference Include="System.Security.AccessControl, Version=6.0.0.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Security.AccessControl.6.0.1\lib\net461\System.Security.AccessControl.dll</HintPath>
+    </Reference>
     <Reference Include="System.Security.Cryptography.Algorithms, Version=4.2.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Security.Cryptography.Algorithms.4.3.0\lib\net463\System.Security.Cryptography.Algorithms.dll</HintPath>
       <Private>True</Private>
@@ -524,13 +554,19 @@
       <Private>True</Private>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System.Security.Cryptography.Xml, Version=6.0.0.2, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Security.Cryptography.Xml.6.0.2\lib\net461\System.Security.Cryptography.Xml.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Security.Principal.Windows, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Security.Principal.Windows.5.0.0\lib\net461\System.Security.Principal.Windows.dll</HintPath>
+    </Reference>
     <Reference Include="System.ServiceModel" />
     <Reference Include="System.ServiceModel.Web" />
     <Reference Include="System.Text.Encoding.CodePages, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Text.Encoding.CodePages.8.0.0\lib\net462\System.Text.Encoding.CodePages.dll</HintPath>
     </Reference>
-    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.2\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll</HintPath>
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
     </Reference>
     <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\System.ValueTuple.4.5.0\lib\net461\System.ValueTuple.dll</HintPath>
diff --git a/Aviso/My Project/AssemblyInfo.vb b/Aviso/My Project/AssemblyInfo.vb
index d834ce7..6a0dc2d 100644
--- a/Aviso/My Project/AssemblyInfo.vb	
+++ b/Aviso/My Project/AssemblyInfo.vb	
@@ -31,5 +31,5 @@ Imports System.Runtime.InteropServices
 ' übernehmen, indem Sie "*" eingeben:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("4.2.7.0")>
-<Assembly: AssemblyFileVersion("4.2.7.0")>
+<Assembly: AssemblyVersion("4.2.7.2")>
+<Assembly: AssemblyFileVersion("4.2.7.2")>
diff --git a/Aviso/packages.config b/Aviso/packages.config
index 5b035fc..2477d1b 100644
--- a/Aviso/packages.config
+++ b/Aviso/packages.config
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="BouncyCastle.Cryptography" version="2.6.2" targetFramework="net48" />
   <package id="cef.redist.x64" version="75.1.14" targetFramework="net47" />
   <package id="cef.redist.x86" version="75.1.14" targetFramework="net47" />
   <package id="CefSharp.Common" version="75.1.143" targetFramework="net47" />
@@ -15,14 +16,24 @@
   <package id="GrapeCity.Documents.Imaging" version="2.2.0.315" targetFramework="net461" />
   <package id="GrapeCity.Documents.Pdf" version="2.2.0.315" targetFramework="net461" />
   <package id="GroupDocs.Viewer" version="19.8.0" targetFramework="net461" />
-  <package id="itext7" version="7.1.11" targetFramework="net47" />
+  <package id="itext" version="9.6.0" targetFramework="net48" />
+  <package id="itext.bouncy-castle-adapter" version="9.6.0" targetFramework="net48" />
+  <package id="itext.commons" version="9.6.0" targetFramework="net48" />
+  <package id="itext7" version="9.6.0" targetFramework="net48" />
   <package id="librdkafka.redist" version="2.11.1" targetFramework="net48" />
-  <package id="Microsoft.Bcl.AsyncInterfaces" version="1.0.0" targetFramework="net47" />
+  <package id="Microsoft.Bcl.AsyncInterfaces" version="5.0.0" targetFramework="net48" />
   <package id="Microsoft.CSharp" version="4.0.1" targetFramework="net47" />
+  <package id="Microsoft.Extensions.DependencyInjection" version="5.0.0" targetFramework="net48" />
+  <package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="5.0.0" targetFramework="net48" />
+  <package id="Microsoft.Extensions.Logging" version="5.0.0" targetFramework="net48" />
+  <package id="Microsoft.Extensions.Logging.Abstractions" version="5.0.0" targetFramework="net48" />
+  <package id="Microsoft.Extensions.Options" version="5.0.0" targetFramework="net48" />
+  <package id="Microsoft.Extensions.Primitives" version="5.0.0" targetFramework="net48" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net47" />
   <package id="Portable.BouncyCastle" version="1.8.5" targetFramework="net47" />
   <package id="Spire.PDFViewer" version="4.9.5" targetFramework="net47" />
   <package id="System.Buffers" version="4.6.1" targetFramework="net48" />
+  <package id="System.Diagnostics.DiagnosticSource" version="5.0.0" targetFramework="net48" />
   <package id="System.Interactive.Async" version="4.0.0" targetFramework="net48" />
   <package id="System.IO" version="4.3.0" targetFramework="net48" />
   <package id="System.IO.FileSystem.Primitives" version="4.0.1" targetFramework="net47" />
@@ -33,12 +44,15 @@
   <package id="System.Numerics.Vectors" version="4.6.1" targetFramework="net48" />
   <package id="System.Runtime" version="4.3.0" targetFramework="net48" />
   <package id="System.Runtime.CompilerServices.Unsafe" version="6.1.2" targetFramework="net48" />
+  <package id="System.Security.AccessControl" version="6.0.1" targetFramework="net48" />
   <package id="System.Security.Cryptography.Algorithms" version="4.3.0" targetFramework="net48" />
   <package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net48" />
   <package id="System.Security.Cryptography.Pkcs" version="8.0.0" targetFramework="net47" />
   <package id="System.Security.Cryptography.Primitives" version="4.3.0" targetFramework="net48" />
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net48" />
+  <package id="System.Security.Cryptography.Xml" version="6.0.2" targetFramework="net48" />
+  <package id="System.Security.Principal.Windows" version="5.0.0" targetFramework="net48" />
   <package id="System.Text.Encoding.CodePages" version="8.0.0" targetFramework="net47" />
-  <package id="System.Threading.Tasks.Extensions" version="4.5.2" targetFramework="net47" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net48" />
   <package id="System.ValueTuple" version="4.5.0" targetFramework="net461" requireReinstallation="true" />
 </packages>
\ No newline at end of file