Hello, I was recently installing Windows Service Pack 3 earlier tonight and during installation, I recieved this message:

ERROR LOADING: C:\WINDOWS\system32\wbem\wbemupgd.dll

So I clicked OK and then after the installation of Service Pack 3 had finished, I clicked Restart Now.

My computer does not now boot, instead I recieve a blue screen with this message:

STOP: c000021a {Fatal System Error}
The Windows Logon Process system process terminated unexpectedly with a status of 0xc0000139 (0x00000000 0x0000000)
The system has been shutdown.

I have read the following Microsoft Support Article, but do not understand it too deeply:

http://support.microsoft.com/default.aspx?scid=kb;en-us;156669

I have tried starting my computer from Safe Mode / Last Known Good Config / Normal Mode and I keep recieveing the blue screen message above.

How do I get a command prompt when my computer does not start?

I have tried to boot from my XP installation disk in the CD Drive, but I still recieve the blue screen message.

Is there anything else I can do?

I would love all and any help!
It would be so greatly appreciated!

Thank you

PS - I am using a Toshiba Laptop with Windows XP.
PPS - Stupid Service Pack 3 ...

quote:

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Originally posted by SarahCher
I have tried to boot from my XP installation disk in the CD Drive, but I still recieve the blue screen message.

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