This is from WAIK v1.1: 23:02 : 23:02 : Windows System Image Manager execution failed. 23:02 : 23:02 : System.Reflection.TargetParameterCountException: Parameter count mismatch. at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous) at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args) at Microsoft.ComponentStudio.Common.ErrorReporting.ShowErrorConfirmation(Form owner, String message, Exception ex, String caption, MessageBoxButtons buttons, MessageBoxDefaultButton defaultButton, String servicingPath) at Microsoft.ComponentStudio.CatalogGenerator.CreateCat(ProgressDialog pd, Object o) at Microsoft.ComponentStudio.Controls.ProgressDialog.ThreadProc() at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() WAIK for WIN 7 RC freezes and does not do anything.