Since a non-SP2 version of Windows XP Professional
cannot upgrade over a version of Windows XP Home
Edition with SP2 installed, you'll have to make a new
Windows XP Pro CD with SP2 "slipstreamed", then
use the new CD to upgrade over Windows XP Home.

Either one of the following utilities makes slipstreaming
(integrating) SP2 into Windows XP a breeze:

Windows Slipstreaming and Bootable CD Guide
http://www.msfn.org/articles.php?act...showarticle=49

or

AutoStreamer 1.0.33 (preferred)
http://www.wbeta.com/comments.php?shownews=1063&catid=2

Windows XP Service Pack 2 - Direct Download
http://www.microsoft.com/downloads/d...displaylang=en

--
Carey Frisch
Microsoft MVP
Windows XP - Shell/User
Microsoft Newsgroups

Get Windows XP Service Pack 2 with Advanced Security Technologies:
http://www.microsoft.com/athome/secu...xp/choose.mspx

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"DyDx" wrote:

| I recently brought a laptop that came with Windows XP Home Edition SP2 and I
| wanted to upgrade to Windows XP Professionals. Everytime I attempted to do
| so I kept on getting an error message saying that the current version is
| newer than the one i'm about to install.
|
| I've tried unintall SP2, boot from winXP Pro CD...all attempts were
| unsuccessful.
|
| PLease help!!!