Error message with Windows Server 2003
SYMPTOMS
When you restart a computer that is running Windows Server 2003 or an x64-based version of Windows XP Professional, you randomly receive the following error message:
Stop 0xC000021A
This problem occurs if the Winlogon.exe program crashes during the Windows startup process.
Cause
This problem occurs because the Wbemprox.dll library is unloaded prematurely.
Resolution
Hotfix information for Windows Server 2003
Resolution
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Server 2003 with SP1, x86-based versions
| File name | File version | File size | Date | Time | Platform |
| Userenv.dll | 5.2.3790.3122 | 790,528 | 16-Apr-2008 | 19:13 | x86 |
Windows Server 2003 with SP2, x86-based versions
| File name | File version | File size | Date | Time | Platform |
| Userenv.dll | 5.2.3790.4274 | 780,800 | 16-Apr-2008 | 19:25 | x86 |
Windows Server 2003 with SP1, Itanium-based versions
| File name | File version | File size | Date | Time | Platform | SP requirement | Service branch |
| Userenv.dll | 5.2.3790.3122 | 1,564,160 | 16-Apr-2008 | 17:08 | IA-64 | SP1 | Not Applicable |
| Wuserenv.dll | 5.2.3790.3122 | 790,528 | 16-Apr-2008 | 17:08 | x86 | SP1 | WOW |
Windows Server 2003 with SP2, Itanium-based versions
| File name | File version | File size | Date | Time | Platform | SP requirement | Service branch |
| Userenv.dll | 5.2.3790.4274 | 1,564,160 | 16-Apr-2008 | 18:34 | IA-64 | SP2 | Not Applicable |
| Wuserenv.dll | 5.2.3790.4274 | 780,800 | 16-Apr-2008 | 18:34 | x86 | SP2 | WOW |
Windows Server 2003, x64-based versions
| File name | File version | File size | Date | Time | Platform | SP requirement | Service branch |
| Userenv.dll | 5.2.3790.3122 | 1,070,592 | 16-Apr-2008 | 17:08 | IA-64 | SP1 | Not Applicable |
| Wuserenv.dll | 5.2.3790.3122 | 790,528 | 16-Apr-2008 | 17:08 | x86 | SP1 | WOW |
Windows Server 2003 with SP2, x64-based versions
| File name | File version | File size | Date | Time | Platform | SP requirement | Service branch |
| Userenv.dll | 5.2.3790.4274 | 1,071,104 | 16-Apr-2008 | 18:33 | IA-64 | SP2 | Not Applicable |
| Wuserenv.dll | 5.2.3790.4274 | 780,800 | 16-Apr-2008 | 18:33 | x86 | SP2 | WOW |
Hotfix information for Window XP
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows XP Professional, x64-based versions
| File name | File version | File size | Date | Time | Platform | SP requirement | Service branch |
| Userenv.dll | 5.2.3790.3122 | 1,070,592 | 16-Apr-2008 | 17:08 | x64 | SP1 | Not Applicable |
| Wuserenv.dll | 5.2.3790.3122 | 790,528 | 16-Apr-2008 | 17:08 | x86 | SP1 | WOW |
Windows XP Professional with Service Pack 2, x64-based versions
| File name | File version | File size | Date | Time | Platform | SP requirement | Service branch |
| Userenv.dll | 5.2.3790.4274 | 1,071,104 | 16-Apr-2008 | 18:33 | x64 | SP2 | Not Applicable |
| Wuserenv.dll | 5.2.3790.4274 | 780,800 | 16-Apr-2008 | 18:33 | x86 | SP2 | WOW |
APPLIES TO
- Microsoft Windows Server 2003 Service Pack 1
- Microsoft Windows Server 2003 Service Pack 2
- Microsoft Windows XP Professional x64 Edition
- Microsoft Windows XP Service Pack 2
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Tags:Userenv, Wuserenv, dll, server 2003, windows xp
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