Article ID: 302510
Article Last Modified on 10/27/2006
APPLIES TO
- Microsoft Windows 2000 Advanced Server
- Microsoft Windows 2000 Professional Edition
- Microsoft Windows 2000 Server
This article was previously published under Q302510
SYMPTOMS
When you log off from a Windows 2000-based server that is running Terminal Services, you may receive a stop 0x0000001e error message that references the Win32k.sys file.
CAUSE
This problem may occur when code tries to dereference a window class object that has already been destroyed.
RESOLUTION
Service Pack Information
To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
Hotfix Information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this fix should have the following file attributes or later:
Date Time Version Size File name
-----------------------------------------------------------
16-Apr-2002 18:24 5.0.2195.5265 42,256 Basesrv.dll
16-Apr-2002 18:24 5.0.2195.5520 222,480 Gdi32.dll
16-Apr-2002 18:24 5.0.2195.4928 708,880 Kernel32.dll
25-Jun-2001 21:17 3.10.0.103 47,808 User.exe
16-Apr-2002 18:24 5.0.2195.4314 402,192 User32.dll
16-Apr-2002 18:24 5.0.2195.5521 369,424 Userenv.dll
13-Apr-2002 19:39 5.0.2195.5579 1,641,776 Win32k.sys
23-Jan-2002 13:45 5.0.2195.4865 178,960 Winlogon.exe
16-Apr-2002 18:24 5.0.2195.4602 243,472 Winsrv.dll
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.
MORE INFORMATION
The desktop menu window object is destroyed after the reference count is decremented to 0. Dereferencing this object causes the system to bug check.
Inconsistency Between ReferenceClass/DereferenceClass
: kd> r
ast set context:
ax=00000000 ebx=a0d70a78 ecx=a0d90000 edx=a0d706e0 esi=a0d70a48
edi=a21ee6d8
ip=a0034a4d esp=ac74bc70 ebp=ac74bcac iopl=0 nv up ei ng nz na po
nc
s=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000
efl=00010286
in32k!DereferenceClass+11:
0034a4d ff4828 dec dword ptr [eax+0x28]
ds:0023:00000028=????????
: kd> kv
*** Stack trace for last set context - .thread resets it
hildEBP RetAddr Args to Child
c74bc6c a0034934 a0d70a48 a21ee6d8 a0d70a48 win32k!DereferenceClass+0x11
(FPO: [1,0,0])
c74bcac a003422c a22133b8 ac74bcec a017b1c0 win32k!xxxFreeWindow+0x641
(FPO: [Non-Fpo])
c74bcfc a00846cf 00000000 00000000 00000000 win32k!xxxDestroyWindow+0x410
(FPO: [Non-Fpo])
c74bda8 80454fde 870fb7d8 00000000 00000000 win32k!xxxDesktopThread+0x5bf
(FPO: [Non-Fpo])
c74bddc 8046a302 a0084110 a017b1c0 0000000
ntkrnlmp!PspSystemThreadStartup+0x54 (FPO: [Non-Fpo])
0000000 00000000 00000000 00000000 00000000 ntkrnlmp!_KiThreadStartup+0x16
: kd> dd a0d70a48+60 l1
0d70aa8 a0d90000
: kd> dd a0d90000
0d90000 00000000 00000000 00000000 00000000
0d90010 00000000 00000000 00000000 00000000
0d90020 00000000 00000000 ffffffff 00000000
0d90030 00000000 00000000 00000000 00000000
0d90040 00000000 00000000 00000000 00000000
0d90050 00000000 00000000 00000000 00000000
0d90060 00000000 00000000 00000000 00000000
0d90070 00000000 00000000 00000000 00000000
: kd> u win32k!DereferenceClass
in32k!DereferenceClass:
0034a3c 8b442404 mov eax,[esp+0x4]
0034a40 8b4860 mov ecx,[eax+0x60]
0034a43 8b4120 mov eax,[ecx+0x20]
0034a46 ff4928 dec dword ptr [ecx+0x28]
0034a49 3bc8 cmp ecx,eax
0034a4b 741f jz win32k!DereferenceClass+0x30 (a0034a6c)
0034a4d ff4828 dec dword ptr [eax+0x28]
0034a50 83792800 cmp dword ptr [ecx+0x28],0x0
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173 Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with only one reboot, click the following article number to view the article in the Microsoft Knowledge Base:
296861 How to Install Multiple Windows Updates or Hotfixes with Only One Reboot
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:
249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes
Additional query words: kbTermServ
Keywords: kbhotfixserver kbqfe kbshell kbwin2ksp4fix kbwin2000presp4fix kbbug kbenv kberrmsg kbfix kbtermserv KB302510
