Located Assembly Manifest Definition Does Not Match the Assembly Reference Error

Environment

Product

Progress® Telerik® UI for ASP.NET AJAX

Description

When working with Telerik UI for ASP.NET AJAX, I get an error that the located assembly's manifest definition does not match the assembly reference.

Error Message

System.IO.FileLoadException: Could not load file or assembly 'Telerik.Web.UI, Version=xxxx.x.xxx.xx, Culture=neutral, PublicKeyToken=xxxxxxxxxxxxxxxx' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

Solution

For more information on the cause and solution of this issue, refer to the upgrading instructions article.