System.BadImageFormatException was unhandled
  Message=Could not load file or assembly 'Core, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. An attempt was made to load a program with an incorrect format.
  Source=mscorlib
  FileName=Core, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null
  FusionLog==== Pre-bind state information ===
LOG: User = Owner-PC\Owner
LOG: DisplayName = Core, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null
 (Fully-specified)
LOG: Appbase = file:///C:/Users/Owner/Documents/Visual Studio 2010/Projects/Media Portal/mediaportal/MediaPortal.Application/bin/Debug/
LOG: Initial PrivatePath = NULL
Calling assembly : MediaPortal, Version=1.2.0.0, Culture=neutral, PublicKeyToken=null.
===
LOG: This bind starts in default load context.
LOG: Using application configuration file: C:\Users\Owner\Documents\Visual Studio 2010\Projects\Media Portal\mediaportal\MediaPortal.Application\bin\Debug\MediaPortal.vshost.exe.Config
LOG: Using host configuration file: 
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework64\v4.0.30319\config\machine.config.
LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Attempting download of new URL file:///C:/Users/Owner/Documents/Visual Studio 2010/Projects/Media Portal/mediaportal/MediaPortal.Application/bin/Debug/Core.DLL.
ERR: Failed to complete setup of assembly (hr = 0x8007000b). Probing terminated.

  StackTrace:
       at System.Reflection.RuntimeAssembly.GetEntryPoint(RuntimeAssembly assembly, ObjectHandleOnStack retMethod)
       at System.Reflection.RuntimeAssembly.get_EntryPoint()
       at Microsoft.VisualStudio.HostingProcess.HostProc.GetEntryPointAptThreadState(String assemblyFile)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunParkingWindowThread()
       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()
  InnerException: