The toolbox failed to load assembly 'CustomActivity2i, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.

Exception
        Laserfiche.NotLocalizedException:
The assembly cannot be loaded. The most likely cause of this is that the file is untrusted by windows. 
Right click on the file, goto properties, and click the 'Unblock' button. 
See inner exception for more details.

Stack Trace
        at Laserfiche.Workflow.Designer.UI.ActivityToolbox.GetActivityTypes(AssemblyName assemblyName, String& error, Exception& exception)

Data items: 1
AlreadyLogged: True

Inner Exception
        Exception
                System.IO.FileLoadException:
Could not load file or assembly 'CustomActivity2i, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. Operation is not supported. 
(Exception from HRESULT: 0x80131515)

        Stack Trace
                at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
                at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
                at System.Reflection.Assembly.Load(AssemblyName assemblyRef)
                at Laserfiche.Workflow.Designer.UI.ActivityToolbox.GetActivityTypes(AssemblyName assemblyName, String& error, Exception& exception)

Data items: 0

        Inner Exception
                Exception
                        System.NotSupportedException:
An attempt was made to load an assembly from a network location which would have caused the assembly to be sandboxed in previous versions of the .NET Framework. 
This release of the .NET Framework does not enable CAS policy by default, so this load may be dangerous. If this load is not intended to sandbox the assembly, 
please enable the loadFromRemoteSources switch. See http://go.microsoft.com/fwlink/?LinkId=155569 for more information.

Data items: 0