Eu quero usarPowerShell comselenium e baixar selênio dehttp://www.java2s.com/Code/Jar/s/Downloadseleniumremotedriver2350jar.htm . Quando tento carregar uma das dlls, recebi erros. Espero que alguém possa me ajudar com isso.

Esta é a minha informação do sistema.

OS Name:                   Microsoft Windows 7 Enterprise
OS Version:                6.1.7601 Service Pack 1 Build 7601
OS Manufacturer:           Microsoft Corporation

Esta é a minha informação sobre o PowerShell.

PS C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40> $psversiontable

Name                           Value
----                           -----
PSVersion                      4.0
WSManStackVersion              3.0
SerializationVersion           1.1.0.1
CLRVersion                     4.0.30319.18052
BuildVersion                   6.3.9421.0
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0}
PSRemotingProtocolVersion      2.2


PS C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40>

Este é o erro que recebi ao tentar carregar a dll.

    PS C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40> Add-Type -Path .\WebDriver.dll
    Add-Type : Could not load file or assembly 'file:///C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40\WebDriver.dll' or one of its dependencies. Operation is
    not supported. (Exception from HRESULT: 0x80131515)
    At line:1 char:1
    + Add-Type -Path .\WebDriver.dll
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        + CategoryInfo          : NotSpecified: (:) [Add-Type], FileLoadException
        + FullyQualifiedErrorId : System.IO.FileLoadException,Microsoft.PowerShell.Commands.AddTypeCommand

    PS C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40> [reflection.assembly]::LoadFrom(".\WebDriver.dll")
    Exception calling "LoadFrom" with "1" argument(s): "Could not load file or assembly 'file:///C:\Users\test\WebDriver.dll' or one of its dependencies. The system
    cannot find the file specified."
    At line:1 char:1
    + [reflection.assembly]::LoadFrom(".\WebDriver.dll")
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
        + FullyQualifiedErrorId : FileNotFoundException

    PS C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40> [reflection.assembly]::LoadFrom("WebDriver.dll")
    Exception calling "LoadFrom" with "1" argument(s): "Could not load file or assembly 'file:///C:\Users\test\WebDriver.dll' or one of its dependencies. The system
    cannot find the file specified."
    At line:1 char:1
    + [reflection.assembly]::LoadFrom("WebDriver.dll")
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
        + FullyQualifiedErrorId : FileNotFoundException

    PS C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40> [reflection.assembly]::LoadFrom("C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40\WebDriver.dll")
    Exception calling "LoadFrom" with "1" argument(s): "Could not load file or assembly 'file:///C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40\WebDriver.dll' or
    one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515)"
    At line:1 char:1
    + [reflection.assembly]::LoadFrom("C:\Users\test\Downloads\selenium-dotnet-2.35.0 ...
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
        + FullyQualifiedErrorId : FileLoadException

    PS C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40> [reflection.assembly]::LoadFile("C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40\WebDriver.dll")
    Exception calling "LoadFile" with "1" argument(s): "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."
    At line:1 char:1
    + [reflection.assembly]::LoadFile("C:\Users\test\Downloads\selenium-dotnet-2.35.0 ...
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
        + FullyQualifiedErrorId : NotSupportedException

    PS C:\Users\test\Downloads\selenium-dotnet-2.35.0\net40>