Xboot gives me the following error = " ERROR REPORT ( 09/04/2013 22:22:24 ) Please submit this error report to developer. Operating System version :Microsoft Windows NT 6.1.7601 Service Pack 1 .NET Framework version :4.0.30319.1008 Error Message : Could not load file or assembly 'PGK.Extensions, Version=188.8.131.52, Culture=neutral, PublicKeyToken=f93e897f802ddcb7' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) StackTrace : at A.V.D() at A.V.D(ImageItemBase , ProcessLog ) at A.KB.D() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart()" this happens when i am trying to add a windows installation iso. could it be because the iso is more then 4 GB in size or what? i hope this is enough information for someone to help me with. i tried googling it but no avail. i also did try adding the PGK Extension.DLL file in the xboot directory. please help!?