See if anything among this lot helps with your problems.
Installing SP3 Notes
Windows XP Service Pack 3 (SP3):
Windows XP SP3 - Read all prerequisites for a successful
Internet Explorer and WinXP SP3
XP SP3: Post Installation Cleanup
XP SP3: IMPORTANT SUPPORT INFORMATION
If you run into problems during or after the installation, these may help:
XP SP3: "Fixed" Reboot Loop / Safe Mode Only after Install
XP SP3 Installation Failure Troubleshooter
XP SP3: Registry Corruption & Norton SymProtect
XP SP3: Hotfix - Device Manager and Network Connections
XP SP3: FIX -- Svchost.exe Uses 100% CPU Resources
XP SP3: Problems? How To Uninstall Service Pack 3
Glen Ventura, MS MVP Windows, A+
"cia81" <firstname.lastname@example.org> wrote in message
> I tried to install the update of Windows XP (Home) Service Pack 3.0
> but somehow halfway through I got an error message that the update could
> be completed successfully and had to be cancelled. I had to click ok on
> and it started uninstalling SP 3.0 and finally left me with a message
> that the old Windows XP version has been restored, the message ending with
> "and it may not work properly"...
> I use a wireless network and noticed that the wireless function on my
> was turned off when the error occured, so that would of course make the
> update stop. But I just left the laptop alone after it started the update
> certainly didn't switch off the wireless function! I actually wasn't even
> the room at the time the error occured... I assume the update must have
> amended something that disrupted the wireless function and so switched it
> Anyway, I switched it on after the update was cancelled and everything
> seemed normal (it showed I was connected to my LAN network). But when I
> opened the internet browser (Internet Explorer 7.0) it just showed the
> cannot be displayed.
> I restarted my laptop and after starting up again it seemed to try to
> install something. There were a few black DOS windows popping up and
> disappearing and a small window saying something like "Preparing to
> install...". That window disappeared after a few seconds and everything
> seemed normal again. But I still didn't get a connection to the internet
> opening the web browser.
> I did a few more restarts and the "Preparing to install" window kept
> up each time and also switched the wireless on and off. It always shows
> I'm connected to my LAN network when it's switched on but I'm still not
> connected to the internet (The wireless modem is on and seems to be
> fine, so that can't be the reason)
> I just want to restore the system to the time before I did that update as
> was still woking perfectly then. I tried to use System Restore through the
> "Help and Support" page to set it back to a restore point before that
> but when I click on System restore on that page nothing opens.
> Should I maybe use the recovery CD that came with the laptop? And can I
> restore the system without losing all my data on it?
> Sorry about this rather primitive long description of the error. But I
> someone might still know what's wrong and how I can get windows working
> properly again.
> I don't have any more information about my system at the moment as I
> obviously can't use my laptop now to post something on the internet.
> I hope someone can help me with this. Thanks a lot!