An unexpected error has occurred. Could not load file or assembly 'WebGrease, Version=1.5.1.25624, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

http://www.coderexception.com/CNBBB3z3PXiPUxxW/could-not-load-file-or-assembly-webgrease-version15125624 Install-Package Microsoft.AspNet.Web.Optimization Update-Package WebGrease Uninstall-Package Microsoft.AspNet.Web.Optimization Uninstall-Package WebGrease Install-Package Microsoft.AspNet.Web.Optimization Update-Package WebGrease