diff --git a/.gitignore b/.gitignore
index 1e6cd00..72b2586 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,4 +18,4 @@
 *.user
 
 #backups
-.old*/
\ No newline at end of file
+.old*/
diff --git a/DTLib.Dtsod/DTLib.Dtsod.csproj b/DTLib.Dtsod/DTLib.Dtsod.csproj
index b3e5641..7164021 100644
--- a/DTLib.Dtsod/DTLib.Dtsod.csproj
+++ b/DTLib.Dtsod/DTLib.Dtsod.csproj
@@ -1,12 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFrameworks>net6.0;net48</TargetFrameworks>
         <LangVersion>preview</LangVersion>
         <ImplicitUsings>disable</ImplicitUsings>
         <Nullable>disable</Nullable>
-        <ProduceReferenceAssembly>False</ProduceReferenceAssembly>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+        <ProduceReferenceAssembly>False</ProduceReferenceAssembly>
+        <DebugType>embedded</DebugType>
         <Configurations>Debug;Release</Configurations>
 		<Platforms>AnyCPU;x64;x86;arm64</Platforms>
     </PropertyGroup>
diff --git a/DTLib.Network/DTLib.Network.csproj b/DTLib.Network/DTLib.Network.csproj
index 04fcaa6..13a015d 100644
--- a/DTLib.Network/DTLib.Network.csproj
+++ b/DTLib.Network/DTLib.Network.csproj
@@ -1,11 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
-        <LangVersion>10</LangVersion>
+        <TargetFrameworks>net6.0;net48</TargetFrameworks>
+        <LangVersion>preview</LangVersion>
         <ImplicitUsings>disable</ImplicitUsings>
         <Nullable>disable</Nullable>
         <ProduceReferenceAssembly>False</ProduceReferenceAssembly>
+        <DebugType>embedded</DebugType>
         <Configurations>Debug;Release;Release-net48</Configurations>
 		<Platforms>AnyCPU;x64;x86;arm64</Platforms>
     </PropertyGroup>
@@ -18,7 +19,6 @@
     <ItemGroup Condition=" '$(TargetFramework)' == 'net48' ">
         <Reference Include="System.Net" />
         <Reference Include="System.Net.Http" />
-        <Reference Include="System.Dynamic" />
         <Reference Include="Microsoft.CSharp" />
     </ItemGroup>
     
diff --git a/DTLib.Tests/DTLib.Tests.csproj b/DTLib.Tests/DTLib.Tests.csproj
index 301d7f1..cce9ae1 100644
--- a/DTLib.Tests/DTLib.Tests.csproj
+++ b/DTLib.Tests/DTLib.Tests.csproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk"> 
 	<PropertyGroup>
 		<OutputType>Exe</OutputType>
-		<TargetFramework>net6.0</TargetFramework>
+		<TargetFrameworks>net6.0;net48</TargetFrameworks>
 		<LangVersion>10</LangVersion>
 		<ImplicitUsings>false</ImplicitUsings>
 		<Nullable>disable</Nullable>
 		<CheckForOverflowUnderflow>True</CheckForOverflowUnderflow>
 		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 		<ProduceReferenceAssembly>False</ProduceReferenceAssembly>
-		<RootNamespace>DTLib.Tests</RootNamespace>
+		<DebugType>embedded</DebugType>
 		<Configurations>Debug;Release;Release-net48</Configurations>
 		<Platforms>AnyCPU;x64;x86;arm64</Platforms>
 	</PropertyGroup>
@@ -29,10 +29,5 @@
 	<ItemGroup>
 		<None Update="Dtsod\TestResources\**\*" CopyToOutputDirectory="Always" />
 	</ItemGroup>
-	
-	<Target Name="PostBuild" AfterTargets="PostBuildEvent">
-		<Exec Command="rm -rf ../bin/" />
-		<Exec Command="cp -r bin/ ../bin/" />
-	</Target>
 
 </Project>
diff --git a/DTLib/ColoredConsole.cs b/DTLib/ColoredConsole.cs
index ad55c8c..b23f61b 100644
--- a/DTLib/ColoredConsole.cs
+++ b/DTLib/ColoredConsole.cs
@@ -59,6 +59,14 @@ public static class ColoredConsole
         else throw new Exception("ColoredConsole.Write() error: every text string must have color string before");
     }
 
+    public static void WriteLine() => Console.WriteLine();
+
+    public static void WriteLine(params string[] input)
+    {
+        Write(input);
+        WriteLine();
+    }
+    
     // ввод цветного текста
     public static string Read(string color)
     {
diff --git a/DTLib/DTLib.csproj b/DTLib/DTLib.csproj
index 6813ad6..970d5b0 100644
--- a/DTLib/DTLib.csproj
+++ b/DTLib/DTLib.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<TargetFramework>net6.0</TargetFramework>
+		<TargetFrameworks>net6.0;net48</TargetFrameworks>
 		<LangVersion>preview</LangVersion>
 		<ImplicitUsings>disable</ImplicitUsings>
 		<Nullable>disable</Nullable>
@@ -8,6 +8,7 @@
 		<!--xxhash uses arithmetic overflow-->
 		<CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
 		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+		<DebugType>embedded</DebugType>
 		<ProduceReferenceAssembly>False</ProduceReferenceAssembly>
 		<Configurations>Debug;Release</Configurations>
 		<Platforms>AnyCPU;x64;x86;arm64</Platforms>
diff --git a/DTLib/DependencyResolver.cs b/DTLib/DependencyResolver.cs
index 560cff2..fc43bb2 100644
--- a/DTLib/DependencyResolver.cs
+++ b/DTLib/DependencyResolver.cs
@@ -9,7 +9,7 @@ public static class DependencyResolver
     public static void CopyLibs()
     {
         if(DepsCopied) return;
-        string depsdir = "Dependencies" + Путь.Разд;
+        string depsdir = $"Dependencies{Путь.Разд}";
         depsdir += Environment.OSVersion.Platform switch
         {
             PlatformID.Unix => "linux",
diff --git a/DTLib/Experimental/CompressedArray.cs b/DTLib/Experimental/CompressedArray.cs
index 878e022..1385df9 100644
--- a/DTLib/Experimental/CompressedArray.cs
+++ b/DTLib/Experimental/CompressedArray.cs
@@ -38,7 +38,8 @@ namespace DTLib.Experimental
                 }
                 Memory = listMem.ToArray();
                 Description = listDesc.ToArray();
-                ColoredConsole.Write("b", "listMem.Count: ", "c", listMem.Count.ToString(), "b", "  listDesc.Count: ", "c", listDesc.Count + "\n");
+                ColoredConsole.Write("b", "listMem.Count: ", "c", listMem.Count.ToString(), "b", "  listDesc.Count: ", "c",
+                    $"{listDesc.Count}\n");
                 for (short i = 0; i < listDesc.Count; i++)
                 {
                     ColoredConsole.Write("y", $"{Description[i]}:{Memory[i]}\n");
diff --git a/DTLib/Extensions/StringConverter.cs b/DTLib/Extensions/StringConverter.cs
index 70ed1c1..a3ce624 100644
--- a/DTLib/Extensions/StringConverter.cs
+++ b/DTLib/Extensions/StringConverter.cs
@@ -2,7 +2,9 @@
 
 public static class StringConverter
 {
+    public static ASCIIEncoding ASCII = new ASCIIEncoding();
     public static Encoding UTF8 = new UTF8Encoding(false);
+    public static Encoding UTF8BOM = new UTF8Encoding(true);
     public static byte[] ToBytes(this string str) => UTF8.GetBytes(str);
     public static string BytesToString(this byte[] bytes) => UTF8.GetString(bytes);
 
diff --git a/DTLib/Extensions/Unmanaged.cs b/DTLib/Extensions/Unmanaged.cs
index eacd041..2eaff37 100644
--- a/DTLib/Extensions/Unmanaged.cs
+++ b/DTLib/Extensions/Unmanaged.cs
@@ -4,7 +4,7 @@ namespace DTLib.Extensions;
 
 public static class Unmanaged
 {
-    public static unsafe IntPtr ToHGlobalUTF8(this string s)
+    public static unsafe IntPtr StringToHGlobalUTF8(this string s)
     {
         byte[] buf = s.ToBytes();
         int bl = buf.Length;
@@ -15,5 +15,29 @@ public static class Unmanaged
         return (IntPtr) ptr;
     }
 
-    public static string ToStringUTF8(this IntPtr p) => Marshal.PtrToStringUTF8(p);
+    public static unsafe int ASCII_length(IntPtr asciiStr)
+    {
+        byte* str = (byte*)asciiStr;
+        while (*str != (byte)'\0')
+            str++;
+        long length = str - (byte*)asciiStr;
+        if (length > Int32.MaxValue)
+            throw new Exception($"ascii string length <{length}> > Int32.MaxValue");
+        return (int)length;
+    }
+
+    public static unsafe string HGlobalUTF8ToString(this IntPtr p)
+    {
+        return StringConverter.UTF8.GetString((byte*)p, ASCII_length(p));
+        /*if (p == IntPtr.Zero)
+            throw new Exception("string pointer is null");
+        int length = ASCII_length(p);
+        byte[] buf = new byte[length];
+        for (int i = 0; i < length; i++)
+                buf[i] = ((byte*)p)[i];
+        fixed(byte* bufptr=&buf[0])
+        {
+            return StringConverter.UTF8.GetString(bufptr, length);
+        }*/
+    }
 }
\ No newline at end of file
diff --git a/DTLib/Logging/FileLogger.cs b/DTLib/Logging/FileLogger.cs
index f9ba6b0..3d65ee8 100644
--- a/DTLib/Logging/FileLogger.cs
+++ b/DTLib/Logging/FileLogger.cs
@@ -42,8 +42,12 @@ public class FileLogger : IDisposable
 
     public virtual void Dispose()
     {
-        LogfileStream?.Flush();
-        LogfileStream?.Close();
+        try 
+        {
+            LogfileStream?.Flush();
+            LogfileStream?.Close();
+        }
+        catch (ObjectDisposedException) { }
     }
 
     ~FileLogger() => Dispose();