Configuring Security Policy Using the .NET Framework Configuration Tool (Mscorcfg.msc)

Control   Panel->Administrative   Tools->Microsoft   .NET   Framework   Configuration,   right   click   on   Runtime   Security   Policy,   select   Trust   Assembly,   follow   the   instructions...  

or   see  
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconusingnetframeworkconfigurationtooltoconfiguresecuritypolicy.asp

.NET Framework Developer's Guide

Configuring Security Policy Using the .NET Framework Configuration Tool (Mscorcfg.msc)

The .NET Framework Configuration tool enables users and administrators to modify security policy for the machine policy level, the user policy level, and the enterprise policy level.

In This Section

Performing Common Security Policy Tasks Using the .NET Framework Configuration Tool

Lists some common tasks that you can do using the .NET Framework Configuration tool.

Configuring Code Groups Using the .NET Framework Configuration Tool

Describes how to add and change code groups using the .NET Framework Configuration tool.

Configuring Permission Sets Using the .NET Framework Configuration Tool

Describes how to add and change permission sets using the .NET Framework Configuration tool.

Related Sections

Security Policy Management

Describes the .NET Framework security policy model.

.NET Framework Configuration Tool (Mscorcfg.msc)

Describes how to run the .NET Framework Configuration tool.