When you try to install a device driver in Windows Vista, you receive an error message that states that the driver was not installed because of a file copy error.

Note This message is generated by the driver's Setup program. The message is not generated by Windows Vista. Therefore, the error message text may vary.

This problem occurs if the following conditions are true:

•	The name of the user account or the path of the driver source contains quad-byte Unicode characters. For example, the current user name contains Chinese characters.
•	The driver package uses Lempel-Ziv (LZ) compression.

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Service pack information

To resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

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Hotfix information

A supported hotfix is now 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 service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

Prerequisites

No prerequisites are required.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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 Vista, 32-bit versions

File name	File version	File size	Date	Time	Platform
Update.mum	Not Applicable	2,659	09-Feb-2007	11:09	Not Applicable
X86_1e8051d60edd1225ca6d8ee316b9e86a_31bf3856ad364e35_6.0.6000.20533_none_d6b68c521d4510f8.manifest	Not Applicable	696	09-Feb-2007	11:09	Not Applicable
X86_93f0242f4d2a765a037a560a6449644b_31bf3856ad364e35_6.0.6000.20533_none_f9828801cb649c92.manifest	Not Applicable	696	09-Feb-2007	11:09	Not Applicable
X86_microsoft-windows-drvstore_31bf3856ad364e35_6.0.6000.20533_none_ef7a409e5f91e1ec.manifest	Not Applicable	7,501	09-Feb-2007	11:12	Not Applicable
X86_microsoft-windows-setupapi_31bf3856ad364e35_6.0.6000.20533_none_337b4523e24a8eb8.manifest	Not Applicable	19,532	09-Feb-2007	11:12	Not Applicable
Drvstore.dll	6.0.6000.20533	245,248	09-Feb-2007	03:34	x86
Setupapi.dll	6.0.6000.20533	1,584,128	09-Feb-2007	03:37	x86
Setupapi.mof	Not Applicable	3,689	07-Jan-2007	05:50	Not Applicable

Windows Vista, 64-bit versions

File name	File version	File size	Date	Time	Platform
Amd64_1e8051d60edd1225ca6d8ee316b9e86a_31bf3856ad364e35_6.0.6000.20533_none_32d527d5d5a2822e.manifest	Not Applicable	698	09-Feb-2007	11:09	Not Applicable
Amd64_501625f06395e0a956bb4549675e0153_31bf3856ad364e35_6.0.6000.20533_none_696bacaa40c663de.manifest	Not Applicable	700	09-Feb-2007	11:09	Not Applicable
Amd64_6d6f2c6fb0a12a47c0218d4e2d386a63_31bf3856ad364e35_6.0.6000.20533_none_29e4db1ba24147a5.manifest	Not Applicable	700	09-Feb-2007	11:09	Not Applicable
Amd64_93f0242f4d2a765a037a560a6449644b_31bf3856ad364e35_6.0.6000.20533_none_55a1238583c20dc8.manifest	Not Applicable	698	09-Feb-2007	11:09	Not Applicable
Amd64_microsoft-windows-drvstore_31bf3856ad364e35_6.0.6000.20533_none_4b98dc2217ef5322.manifest	Not Applicable	7,531	09-Feb-2007	11:16	Not Applicable
Amd64_microsoft-windows-setupapi_31bf3856ad364e35_6.0.6000.20533_none_8f99e0a79aa7ffee.manifest	Not Applicable	19,588	09-Feb-2007	11:16	Not Applicable
Package_1_for_kb932814~31bf3856ad364e35~amd64~~6.0.1.0.mum	Not Applicable	2,674	09-Feb-2007	11:09	Not Applicable
Package_2_for_kb932814~31bf3856ad364e35~amd64~~6.0.1.0.mum	Not Applicable	2,453	09-Feb-2007	11:09	Not Applicable
Update.mum	Not Applicable	1,909	09-Feb-2007	11:09	Not Applicable
X86_microsoft-windows-drvstore_31bf3856ad364e35_6.0.6000.20533_none_ef7a409e5f91e1ec.manifest	Not Applicable	7,501	09-Feb-2007	11:16	Not Applicable
X86_microsoft-windows-setupapi_31bf3856ad364e35_6.0.6000.20533_none_337b4523e24a8eb8.manifest	Not Applicable	19,532	09-Feb-2007	11:16	Not Applicable
Drvstore.dll	6.0.6000.20533	310,784	09-Feb-2007	04:54	x64
Setupapi.dll	6.0.6000.20533	1,935,872	09-Feb-2007	04:57	x64
Setupapi.mof	Not Applicable	3,689	07-Jan-2007	05:50	Not Applicable
Drvstore.dll	6.0.6000.20533	245,248	09-Feb-2007	03:34	x86
Setupapi.dll	6.0.6000.20533	1,584,128	09-Feb-2007	03:37	x86
Setupapi.mof	Not Applicable	3,689	07-Jan-2007	05:50	Not Applicable

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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Vista Service Pack 1.

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For more information about the terms that are used to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base:

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