*RESOLUTION
To resolve this problem, follow these steps:
1. Insert the Windows XP startup disk, and then close the Welcome to Microsoft Windows XP window if it appears.
2. Click Start, click Run, type cmd, and then click OK.
3. At the command prompt, type the following command, and then press ENTER.
copy drive letter:\i386\autochk.exe %WINDIR%\system32
Note The drive letter placeholder represents the drive, such as "D:", that is running the Windows XP startup disk.
4. Type Y when you receive the following message:
Overwrite C:\WINDOWS\system32\autochk.exe? (Yes/No/All):
5. Remove the Windows XP startup disk, and then restart the computer.*
http://support.microsoft.com/kb/913502