Cannot find type: verify that the assembly containing this type is loaded. (Exception from HRESULT: 0x80131515)
Downloaded HtmlAgilityPack.dll and loaded in Windows Powershell by running the following command Add-Type -Path ‘c:\Temp\PS\Net40\HtmlAgilityPack.dll’ Got the following error.. Add-Type : Could not load file or assembly ‘file:///C:\Temp\PS\Net40\HtmlAgilityPack.dll’ or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515) At C:\Temp\PS\script.ps1:12 char:1 + Add-Type -Path ‘c:\Temp\PS\Net40\HtmlAgilityPack.dll’ + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Add-Type], FileLoadException + FullyQualifiedErrorId : System.IO.FileLoadException,Microsoft.PowerShell.Commands.AddTypeCommand HtmlAgilityPack.dll does not have any dependency for the .Net version I was on (use the command $psversiontable to get the .Net version used by Powershell) It turned out that the file was blocked since it was downloaded from the internet. All I needed to do was to go to DLL’s properties and unblock it.