Error: "Could not load file or assembly 'AntiXSSLibrary, Version=18.104.22.168, Culture=neutral, PublicKeyToken=d127efab8a9c114f' or one of its dependencies"
When you check the Application log, you find entries that resemble the following:
Log Name: Application
Source: ASP.NET 4.0.30319.0
Date: date time
Event ID: 1310
Task Category: Web Event
vel: Warningvel: Warning
Event code: 3008
Event message: A configuration error has occurred.
When you try to browse any of the Exchange Back End Website virtual directories, you receive the following error message: