Could not load type System.ServiceModel.Activation.HttpModule’ from assembly ‘System.ServiceModel, Version=220.127.116.11, Culture=neutral, PublicKeyToken=
If you already have .Net 4.0 installed and install a program that brings in an earlier version of .Net, or manually install an earlier version of .Net afterwards, you may get an exception page that matches the title of this article.
This is a simple fix, outlined in detail in MSDN article referenced at the bottom.
%windir%\Microsoft.NET\Framework\v4.0.30319 %windir%\Microsoft.NET\Framework64\v4.0.30319 (on a 64-bit computer)
Posted on December 10, 2013, in Programming & Development and tagged .net, 3.0, 4, 4.0, aspnet, aspnet_regiis, error, exception, framework, iis, install, model, previous, reg, service. Bookmark the permalink. Leave a comment.