Edit C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\web_minimaltrust.config

Edit C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\web_minimaltrust.config

<configuration>
    <mscorlib>
        <security>
            <policy>
                <PolicyLevel version="1">
                    <SecurityClasses>
                        <SecurityClass Name="AllMembershipCondition" Description="System.Security.Policy.AllMembershipCondition, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
                        <SecurityClass Name="AspNetHostingPermission" Description="System.Web.AspNetHostingPermission, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
                        <SecurityClass Name="FirstMatchCodeGroup" Description="System.Security.Policy.FirstMatchCodeGroup, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
                        <SecurityClass Name="NamedPermissionSet" Description="System.Security.NamedPermissionSet"/>
                        <SecurityClass Name="SecurityPermission" Description="System.Security.Permissions.SecurityPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
                        <SecurityClass Name="StrongNameMembershipCondition" Description="System.Security.Policy.StrongNameMembershipCondition, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
                        <SecurityClass Name="UnionCodeGroup" Description="System.Security.Policy.UnionCodeGroup, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
                        <SecurityClass Name="UrlMembershipCondition" Description="System.Security.Policy.UrlMembershipCondition, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
                        <SecurityClass Name="ZoneMembershipCondition" Description="System.Security.Policy.ZoneMembershipCondition, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
                    </SecurityClasses>
                    <NamedPermissionSets>
                        <PermissionSet
                                class="NamedPermissionSet"
                                version="1"
                                Unrestricted="true"
                                Name="FullTrust"
                                Description="Allows full access to all resources"
                        />
                        <PermissionSet
                                class="NamedPermissionSet"
                                version="1"
                                Name="Nothing"
                                Description="Denies all resources, including the right to execute"
                        />
                        <PermissionSet
                                class="NamedPermissionSet"
                                version="1"
                                Name="ASP.Net">
                            <IPermission
                                    class="AspNetHostingPermission"
                                    version="1"
                                    Level="Minimal"
                            />
                            <IPermission
                                    class="SecurityPermission"
                                    version="1"
                                    Flags="Execution"
                            />
                        </PermissionSet>
                    </NamedPermissionSets>
                    <CodeGroup
                            class="FirstMatchCodeGroup"
                            version="1"
                            PermissionSetName="Nothing">
                        <IMembershipCondition
                                class="AllMembershipCondition"
                                version="1"
                        />
                        <CodeGroup
                                class="UnionCodeGroup"
                                version="1"
                                PermissionSetName="ASP.Net">
                            <IMembershipCondition
                                    class="UrlMembershipCondition"
                                    version="1"
                                    Url="$AppDirUrl$/*"
                            />
                        </CodeGroup>
                        <CodeGroup
                                class="UnionCodeGroup"
                                version="1"
                                PermissionSetName="ASP.Net">
                            <IMembershipCondition
                                    class="UrlMembershipCondition"
                                    version="1"
                                    Url="$CodeGen$/*"
                            />
                        </CodeGroup>
                    </CodeGroup>
                </PolicyLevel>
            </policy>
        </security>
    </mscorlib>
</configuration>

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