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Damaged Registry Repair and Recovery in Windows XP

I can not get my computer booted up
It is a Toshiba notebook and am running Windows XP
I have tried to start it in Safe Mode also and the same thing keeps hapening.

I get a blue screen with the following message

STOP: cooo21a {fatal system error}
The windows logon process system process terminated unexpetedly with a status of Oxc0000135 (0x00000000 Ox00000000).
The system has been shut down

After this message it just sets there. Does not shut off or anything. I have to manually shut it down.

I found a page that reffers to windows XP SP1 to correct this error
Damaged Registry Repair and Recovery in Windows XP

I do not know how to use the disk for this repair and can not seem to find anything that tells me how to use it.

Do you use it like a boot disk or what?
Does it reformat the hard drive?
Appreciate any help on this.


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If you have the disks that came with your system,

In reply to: Damaged Registry Repair and Recovery in Windows XP

Insert the disk and turn on the computer.

Hopefully your computer can boot from the disk.

If so, it will prompt you with questions. Since I am assuming, you have information on this you do NOT want to lose, I'll try to make this as painless as I can.

Tell it you want to install the system. It will then give you the agreement, click yes. Next it will tell you what do you want to do, click on repair. Now follow the prompts. It will repair the system without losing most information, will take about 30-60 minutes depending on your processor. After you are finished, you will have to go to Windows Update and re-install all the updates.

Do NOT install Internet Explorer 7 at this time. All you information should be intact, unless it became corrupted. Also make sure to update your virus and spyware programs.

Hope this helps.


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Recovery and applications disc

In reply to: If you have the disks that came with your system,

Rick, this sounds like exactly what I need.
My only concern is that the CD I have actually did not come with the computer put I got it from the manufacturer when I needed to reformat the hard drive.

I am hoping I can do as you said and no loose everything on there.
It is the only disk I have so will try it and let you know

Thanks again for your help

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Sorry to say..............

In reply to: If you have the disks that came with your system,

Hi, sorry to say it did not work
Ended up reformating :-{
Oh well needed a fresh start anyway.

Thanks for trying to help

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