Can you bring up Windows in safe mode? If you can uninstall SP1 from there.
You can also run System Restore from the Vista dvd.
"hang" <hang.3c023e@DoNotSpam.com> wrote in message
news:hang.3c023e@DoNotSpam.com...
>
> Hi,
> 2 weeks ago, I installed Vista SP1 update, after that I can't login
> to my window anymore. All my data are in the harddisk, I can't afford to
> lose them, please help me.
> Every time I restart my computer, there are two options:
>
> 1. Launch Startup Repair (recommended) <---which doesn't help at all
> 2. Start windows normally
>
> After I choose option 2, it starts loading, but after a while the
> screen turn black and display ! ! 0Xc0000034 ! ! 251/68854
> (_0000000000000000.cdf-ms)
> And I can't login anymore, even the safe mode.
>
> I really appreciate if anyone can give me some advice, so I won't lose
> all my data.
>
> Thank you so much
>
> Hang
>
>
> --
> hang
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