Thank you!!! I tried EVERYTHING - changing permissions in registry, reinstalling SP2, deleting drivers in other location... but this one finally worked! Take care!

I've tried all of the suggestions so far: Permissions, deleting the driver cache etc. but still not working for me! Does anyone have any other suggestions I could try?

Budman, thanks a million!

Finally solved the issue...thought I had a serious hardware issue there...

Although I know this is an old post, but this post is my latest find. After adding and re-adding my Epson USB scanner all of two days I tripped over this post. I was receiving the data invalid error after PNP finished its "install". The setup went wrong from the beginning and like drawing a line in the dirt for water to flow Windows kept adding the wrong device, following the wrong setup. i could see it in the install log.

After simply deleting the C:\Windows\Driver Cache\ folder and its contents (i386 folder) it finally added correctly.

Microsoft should give the operator the option to ignore this folder if desired.

MAYBE A STUPID LITTLE CHECK BOX to try if all else fails. Hmmmmmm.

THANK YOU all that Contributed. Native to Macs I probably would never have figured this one out.

Hi, typical error (data invalid), have tried changing permissions, even reset the register tp default settings and still getting the error. I installed a Netgear WG311v2 wireless network adapter, I'm not sure where to go from here, can run cables but that defeats the purpose of a wireless router.

Regards
Michael