Corrupted drivers

[Brad]

I have an XP SP1 system. I am having trouble getting
Windows to load. When trying to re-install XP from scratch
I received the following message:

"The file usbohci.sys is corrupted"

I am then forced to quit setup entirely. Does anyone know
how to extract the usbohci.sys file from my XP install CD?
This is a USB driver of some sort.

Thanks!

 

[R. C. White]

Hi, Brad.

Yes, this is a system file which should reside in \Windows\system32. IF you
can boot into WinXP, even in Safe Mode, you should be able to use the System
File Checker to fix it. At the Run prompt, enter: sfc /scannow

SFC will compare each WinXP operating system file with the "known good" copy
held in your on-disk cache and replace any missing or damaged one. Have
your WinXP CD-ROM handy; SFC probably will need to see that.

A better plan might be to get an SP2 CD-ROM. (MS is trying hard to
distribute free disks to everybody; I've heard that Staples, for example,
has a stack of them and that they are included with some current edition of
computer magazines.) If you can boot into WinXP, even in safe mode, put the
SP2 CD in your drive and let it update your WinXP. There is a new version
of usbohcl.sys, dated 8/3/04, in SP2.

For details about this file, see:
Availability of the Windows XP SP1 USB 1.1 and 2.0 Update
http://support.microsoft.com/?kbid=822603

RC

 

[Alex Nichol]

"The file usbohci.sys is corrupted"

I am then forced to quit setup entirely. Does anyone know
how to extract the usbohci.sys file from my XP install CD?
This is a USB driver of some sort.

If it is a normal retail XP CD, boot to recovery mode; Set the BIOS to
boot CD before Hard Disk. Boot the XP CD and, instead of Setup, take
the immediate R for Repair. Assume any password requested is blank, and
TAB over.

In that the CD drive will probably appear as D:, so you can expand the
file from it using the command
Expand D:\i386\usbohci.sy_ C:\windows\system32\drivers\usbohci.sys

But from what you say it sounds as if the file is damaged on the CD: a
proper full scale reinstall will be copying new versions from the CD
anyway. So confirm that this is what you were doing; booting the CD,
entering setup and in New Install hitting ESC so as to be able to delete
the old partition and make a new one for a true clean start