(../../win32ss/user/winsrv/usersrv/shutdown.c:759) UserClientShutdown(0x00414FF8, 0x200, FirstPhase)
(../../win32ss/user/winsrv/usersrv/shutdown.c:779) Killing process with ShutdownFlags = 0
(../../win32ss/user/winsrv/usersrv/shutdown.c:259) SendClientShutdown -- Return == Continue
(../../win32ss/user/winsrv/usersrv/shutdown.c:377) NotifyContext->QueryResult == 1
(../../win32ss/user/winsrv/usersrv/shutdown.c:259) SendClientShutdown -- Return == Continue
(../../win32ss/user/winsrv/usersrv/shutdown.c:377) NotifyContext->QueryResult == 1

*** Assertion failed: entry->flags & HANDLEENTRY_INDESTROY
***   Source File: ../../win32ss/user/ntuser/object.c, line 604

Break repeatedly, break Once, Ignore, terminate Process or terminate Thread (boipt)?
kdb:> ig

Entered debugger on last-chance exception (Exception Code: 0xc0000005) (Page Fault)
Memory at 0x00000028 could not be written: Page not present.
kdb:> bt
Eip:
<win32k.sys:9383e (win32ss/user/ntuser/object.c:182 (FreeProcMarkObject))>
Frames:
<win32k.sys:394c9 (win32ss/user/ntuser/cursoricon.c:378 (FreeCurIconObject))>
<win32k.sys:93ff5 (win32ss/user/ntuser/object.c:621 (UserDereferenceObject))>
<win32k.sys:3335e (win32ss/user/ntuser/class.c:271 (IntDestroyClass))>
<win32k.sys:3393e (win32ss/user/ntuser/class.c:323 (DestroyProcessClasses))>
<win32k.sys:1742f (win32ss/user/ntuser/main.c:766 (ExitThreadCallback))>
<win32k.sys:17e4d (win32ss/user/ntuser/main.c:859 (Win32kThreadCallback))>
<NTOSKRNL.EXE:100656 (ntoskrnl/ps/kill.c:743 (PspExitThread))>
<NTOSKRNL.EXE:100cce (ntoskrnl/ps/kill.c:940 (PsExitSpecialApc))>
<NTOSKRNL.EXE:80fca (ntoskrnl/ke/apc.c:474 (KiDeliverApc))>
<NTOSKRNL.EXE:121835 (ntoskrnl/include/internal/i386/ke.h:776 (KiServiceExit))>
<NTOSKRNL.EXE:124982 (ntoskrnl/ke/i386/usercall.c:350 (KiUserModeCallout))>
<NTOSKRNL.EXE:3f42 (:0 (KiCallUserMode))>
<win32k.sys:31cc2 (win32ss/user/ntuser/callback.c:1139 (co_IntDeliverUserAPC))>
<win32k.sys:6997e (win32ss/user/ntuser/msgqueue.c:2029 (co_MsqWaitForNewMessages))>
<win32k.sys:5f1ef (win32ss/user/ntuser/message.c:1094 (co_IntGetPeekMessage))>
<win32k.sys:60f58 (win32ss/user/ntuser/message.c:2144 (NtUserGetMessage))>
<NTOSKRNL.EXE:1243a4 (ntoskrnl/include/internal/i386/ke.h:706 (KiSystemServiceHandler))>
<NTOSKRNL.EXE:3da5 (:0 (KiFastCallEntry))>
<ntdll.dll:c7ed>
<taskmgr.exe:8aee>--- Press q to abort, any other key to continue ---

<kernel32.dll:1a0aa>
<00000000>
kdb:>