<NME> DotNetSiemensPLCToolBoxLibrary.dll.config
<BEF> ADDFILE
<MSG> Fixes, fixes, fixes....
And additions
;-)

<DFF> @@ -0,0 +1,6 @@
+﻿<?xml version="1.0" encoding="utf-8" ?>
+<configuration>  
+  <startup useLegacyV2RuntimeActivationPolicy="true">
+    <supportedRuntime version="v4.0"/>
+  </startup>
+</configuration>
\ No newline at end of file

Fixes, fixes, fixes.... And additions ;-)