Article ID: 329261
Article Last Modified on 10/25/2002
APPLIES TO
- Microsoft Windows XP Professional
- Microsoft Windows XP Home Edition
This article was previously published under Q329261
SYMPTOMS
When you try to install Windows XP Service Pack 1 (SP1), you may receive the following error message:
Then, the installation process quits, and a message similar to the following may appear in the SP1 installation log:
NOTE: To view the SP1 installation log, open the following log file in a text editor, such as Notepad:
%systemroot%\svcpack.log
CAUSE
This issue may occur if the Licdll.dll or Regwizc.dll files are unregistered. Microsoft has confirmed that the XP-AntiSpy program unregisters these Windows files and causes this problem. XP-AntiSpy is a freeware program that can disable features in Windows XP, including the Automatic Updates feature. If you use the XP-AntiSpy program to disable Windows XP features, you may not be able to install Windows XP SP1.
RESOLUTION
To resolve this issue, follow these steps:
- Click Start, and then click Run.
- In the Open box, type regsvr32.exe licdll.dll, and then click OK.
- You should receive the following message:
DllRegisterServer in licdll.dll succeeded.
- Click OK.
- Click Start, and then click Run.
- In the Open box, type regsvr32.exe regwizc.dll, and then click OK.
- You should receive the following message:
DllRegisterServer in regwizc.dll succeeded.
- Click OK, and then continue with the installation of SP1.
NOTE: You can safely use this procedure to resolve this issue even if XP-AntiSpy is not installed on your computer.
MORE INFORMATION
For additional information about how to obtain Windows XP SP1, click the article number below to view the article in the Microsoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
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