Microsoft KB Archive/330175

= Stop 0xc000221 Error Message When You Upgrade to Windows XP =

Article ID: 330175

Article Last Modified on 4/29/2003

-

APPLIES TO


 * Microsoft Windows XP Professional
 * Microsoft Windows XP Home Edition

-



This article was previously published under Q330175



SYMPTOMS
When you try to upgrade your Microsoft Windows 98-based computer to Windows XP, you may receive an error message that is similar to the following:

Stop: 0xc000221 Bad_image_checksum Image user32.dll is possibly corrupt. Head checksum does not match computed checksum.

After you receive this error message, Windows XP Setup quits.



CAUSE
This issue may occur if a file is damaged during the upgrade process.



RESOLUTION
To resolve this issue, restart the Windows XP upgrade by restarting your computer from the Windows XP CD-ROM:
 * 1) Put the Windows XP CD-ROM in your CD-ROM drive.
 * 2) Restart your computer.
 * 3) When your computer starts, follow the on-screen instructions to start your computer from the CD-ROM.

Note Your computer BIOS settings must be configured so that your computer starts from the CD-ROM. For information about how to configure your BIOS to do this, see the documentation that is included with your computer, or contact your computer manufacturer.
 * 1) Follow the on-screen instructions to complete the Windows XP upgrade.



MORE INFORMATION
For additional information about how to install Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:

316941 HOW TO: Install Windows XP

Keywords: kberrmsg kbsetup kbprb KB330175

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.