You receive a "Copy Error: Setup cannot copy the file Atapi.sys" error message when you try to install a Windows XP service pack, Windows XP Tablet PC Edition 2005, or Windows Server 2003 Service Pack 1

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Article ID: 884675 - View products that this article applies to.
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SYMPTOMS

When you try to install one of the following programs, the installation stops:
  • Microsoft Windows XP Service Pack 2 (SP2)
  • Microsoft Windows XP Service Pack 3 (SP3)
  • Microsoft Windows XP Tablet PC Edition 2005
  • Microsoft Windows Server 2003 Service Pack 1 (SP1)
Additionally, you receive the following error message:
Copy Error

Setup cannot copy the file Atapi.sys

Ensure that the location specified below is correct, or change it and insert 'Windows XP System Files' in the drive you specify.
Note Do not click Retry or change the Copy file from location if you receive this error message.

CAUSE

This issue may occur if you have one of the following programs installed: These programs lock the Atapi.sys file and prevent Windows XP SP2, Windows XP SP3, or Windows Server 2003 SP1 from backing up the existing version of the file.

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

WORKAROUND

To work around this issue, follow these steps:

Note In these steps, you can substitute Windows XP SP2 with the service pack that you want to install.
  1. In the error message dialog box that is described in the "Symptoms" section, click Cancel. You then receive the following message:
    Do you want to continue Setup without copying this file?
  2. Click No. The Windows XP SP2 installation will roll back to your earlier Windows installation.

    Note If you click Yes, the Windows XP SP2 Setup program will continue without creating a backup copy of the Atapi.sys file. If you later remove Windows XP SP2, the Atapi.sys file will not revert to the earlier version, and your Windows XP-based computer may become unstable.
  3. Remove the programs that are described in the "Cause" section.
  4. Install Windows XP SP2.
  5. Reinstall the programs that you removed in step 3.

MORE INFORMATION

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Properties

Article ID: 884675 - Last Review: July 28, 2006 - Revision: 4.4
APPLIES TO
  • Microsoft Windows XP Service Pack 3
  • Microsoft Windows XP Professional Service Pack 2 (SP2)
  • Microsoft Windows XP Home Edition Service Pack 2 (SP2)
  • Microsoft Windows XP Media Center Edition Service Pack 2 (SP2)
  • Microsoft Windows XP Tablet PC Edition 2005
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Web Edition
Keywords: 
kbtshoot kbprb KB884675

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