Cant repair windows

  BILLYGEORGE 17:04 03 Dec 08

My XP PC takes about half an hour to start, it keeps crashing while loading windows.
When I got it to start, I tried to repair files using sfc /scanow.
But when I try to, it just flashes on the screen for a fraction of a second, and disappears.
I have also tried to repair using my recovery disk,
But I have to remove SP3 first. I have tried to remove SP3, but it wont let me.
Dont want to do a complete reinstall, but if I do I will not download SP3 again.
Any ideas for fixing either of my problems

  Fruit Bat /\0/\ 17:13 03 Dec 08

two ns in scannow

sfc /scannow

  woodchip 17:16 03 Dec 08

Try starting the PC with the shift key held down, when it gets to Windows Try loading a Old Restore Point, to before your Problem

  woodchip 17:21 03 Dec 08

I think you are having Driver Problems. Have you been loading any new Hardware of late?

  BILLYGEORGE 17:23 03 Dec 08

Thanks, running now with correct command.
I would still like to remove service pack 3 and repair windows.

  BILLYGEORGE 17:35 03 Dec 08

I changed my motherboard over a week ago, ran OK for 7 days still on old operating system. Thats why I want to do a repair, but as I say cant erase SP3

  oldbeefer2 17:49 03 Dec 08

Can you do a System Restore from before you installed SP3?

  BILLYGEORGE 18:02 03 Dec 08

sfc /scannow has fixed my start up problem.
My system restore does not go back that far.

  woodchip 22:33 03 Dec 08

If you changed your Motherboard and running the same disc that was used for other motherboard. That is where all your Problems stem from, you chould at least Do a Repair using you Operating System Disc. A restore disc will not work to repair it

  lotvic 00:34 04 Dec 08

from microsoft 'How to remove Windows XP Service Pack 3 from your computer' click here

what problem do you have when you try to uninstall SP3 and how are you trying to do it?

Swapping motherboard XP click here

What make/model of computer is it?

  noprob33 08:28 04 Dec 08

u cant use the old install on youe new motherboard

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