ASPNETCOMPILER: Error ASPCONFIG: Could Not Load File Or Assembly System.Xml.Linq Posted on by Webmaster IT Support Forum › Forums › Development › General Discussion › ASPNETCOMPILER: Error ASPCONFIG: Could Not Load File Or Assembly System.Xml.Linq Tagged: .NET, .NET Framework version 4.7.1, Error ASPCONFIG, MSBuild, System.Xml.Linq This topic has 0 replies, 1 voice, and was last updated 6 years, 1 month ago by Webmaster. Viewing 0 reply threads Author Posts November 2, 2017 at 1:43 pm #2265 WebmasterKeymaster when running MSBuild, you get this error: ASPNETCOMPILER: Error ASPCONFIG: Could not load file or assembly ‘System.Xml.Linq’ In my case, this was because I needed to update to dotNET 4.7.1 and use the newer version of MSBuild (v14, not version 4!). Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In