升级报错提示框

caijihome

2013-09-30 17:24:30,718 [4] FATAL System.Object [(null)] - No-UI ExceptionIsTerminating:True)
System.InvalidCastException: Object cannot be cast from DBNull to other types.
   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 System.Windows.Forms.Control.Invoke(Delegate method)
   at C2BB731AC4259D2D858AB51C1CD0.A3A6F08A931D2558BAE1E7D546A38865A.O0llOOOOO0l0011O10110l1lO0OlOll11()
   at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()

麻烦解决下，有个软件不能升级了，谢谢