Powershell load dll got error: Add-Type : Could not load file or assembly 'WebDriver.dll' or one of its dependencies. Operation is not supported

Question

I want to use PowerShell with selenium and download selenium from http://www.java2s.com/Code/Jar/s/Downloadseleniumremotedriver2350jar.htm . When I

Answer 1

Run as Administrator has solved the issue, although my get-executionpolicy is allsigned