Win XP Network card driver problem

...

Try Google.
I did, and came up with this hit:

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[[[ digitalKnowHow.com to the rescue! ]]]

Ok, if you are getting a "Data is invalid" error when installing drivers
here's what is probably
going on and how to fix it:

There is an issue that sometimes occurs while installing drivers for add-in
cards (such as SCSI
controllers and audio cards). Basically the Windows registry automatically
records SOME info on
the device but brands the info as 'read only' and will not allow the driver
install to properly
complete, giving the cryptic "Data is invalid" error.

This can happen under both Win2000 and WinXP. To fix it, you'll need to
manually edit your registry. This easy to do but if you're not comfortable
doing it go grab the geekiest friend you have and watch and learn while they
do it for you (make sure to back it up, first!).

Here's the solution:
Go to START, then RUN, and type "REGEDT32" (not "REGEDIT"). In the REGEDT32
program, find the
window titled "HKEY_LOCAL_MACHINE" and maximize it. Open the following
folders by

double-clicking on them:

SYSTEM\CurrentControlSet\ENUM\PCI

You will see a lot of folders ('keys', in this case) named
"VEN_xxxxxxx..."
where "xxxxxx" are strings like "1102&DEV_0004&SUBSYS_00011103&REV_04".
Inside each of these folders will be a folder(s) with a long numerical name.
Click on each folder and look for an entry named "DeviceDesc" that has a
description containing the name of the device you are having trouble
installing. When you find the correct folder, click "SECURITY" then
"PERMISSIONS" from the REGEDT32 menu bar. In the window that opens select
"ALLOW" next to the "Full Control" option.

Close REGEDT32 and reinstall your drivers - they should install just fine,
now.

From: digitalKnowHow.com

Good Luck,
Ron