Launchbox 11.3-beta-3 dead. bug report

[sbslc2017]

Just updated launchbox.  Can no longer open it unfortunately.  Here's the log

 

Unable to load one or more of the requested types.
Could not load type 'System.Runtime.Remoting.Proxies.RealProxy' from assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
Could not load type 'System.Runtime.Remoting.Proxies.RealProxy' from assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
Could not load type 'System.Runtime.Remoting.Proxies.RealProxy' from assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

App:     LaunchBox
Version: 11.3-beta-3
Type:    System.Reflection.ReflectionTypeLoadException
Site:    System.RuntimeType[] GetTypes(System.Reflection.RuntimeModule)
Source:  System.Private.CoreLib

   at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
   at System.Reflection.RuntimeModule.GetTypes()
   at System.Reflection.Assembly.GetTypes()
   at Unbroken.LaunchBox.Windows.Root.qvHuQ5vMU4[WkqQKbebtjsEBjP985](IEnumerable`1  , ConcurrentDictionary`2&  )
   at Unbroken.LaunchBox.Windows.Root.LoadPlugins(String folderPath)
   at Unbroken.LaunchBox.Windows.Desktop.App.lsDl9QktHX6r846YjWm(Object )
   at Unbroken.LaunchBox.Windows.Desktop.App..ctor()
   at Unbroken.LaunchBox.Windows.Desktop.Program.Main(String[] args)

Recent Log:

   10:31:26 PM Exception

[neil9000]

Please post beta problems to the actual beta thread.