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Windows XP error on startup


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#1
Akimb0

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If I remember rightly it was windows/system32 and might have been another after system 32... It told me to put in the winxp cd and start the recovery console ( Due to the folder being corrupt/missing ) I'm not sure what to do once I have the recovery console up. Do I need to direct copy the files over? I don't really want to lose whats already on my HD if thats possible.
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#2
dsenette

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Part one
In part one, you start the Recovery Console, create a temporary folder, back up the existing registry files to a new location, delete the registry files at their existing location, and then copy the registry files from the repair folder to the System32\Config folder. When you have finished this procedure, a registry is created that you can use to start Windows XP. This registry was created and saved during the initial setup of Windows XP. Therefore any changes and settings that occurred after the Setup program was finished are lost.

To complete part one, follow these steps:
1. Insert the Windows XP startup disk into the floppy disk drive, or insert the Windows XP CD-ROM into the CD-ROM drive, and then restart the computer.
Click to select any options that are required to start the computer from the CD-ROM drive if you are prompted to do so.
2. When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
3. If you have a dual-boot or multiple-boot computer, select the installation that you want to access from the Recovery Console.
4. When you are prompted to do so, type the Administrator password. If the administrator password is blank, just press ENTER.
5. At the Recovery Console command prompt, type the following lines, pressing ENTER after you type each line:
md tmp
copy c:\windows\system32\config\system c:\windows\tmp\system.bak
copy c:\windows\system32\config\software c:\windows\tmp\software.bak
copy c:\windows\system32\config\sam c:\windows\tmp\sam.bak
copy c:\windows\system32\config\security c:\windows\tmp\security.bak
copy c:\windows\system32\config\default c:\windows\tmp\default.bak

delete c:\windows\system32\config\system
delete c:\windows\system32\config\software
delete c:\windows\system32\config\sam
delete c:\windows\system32\config\security
delete c:\windows\system32\config\default

copy c:\windows\repair\system c:\windows\system32\config\system
copy c:\windows\repair\software c:\windows\system32\config\software
copy c:\windows\repair\sam c:\windows\system32\config\sam
copy c:\windows\repair\security c:\windows\system32\config\security
copy c:\windows\repair\default c:\windows\system32\config\default
6. Type exit to quit Recovery Console. Your computer will restart.
Note This procedure assumes that Windows XP is installed to the C:\Windows folder. Make sure to change C:\Windows to the appropriate windows_folder if it is a different location.

If you have access to another computer, to save time, you can copy the text in step two, and then create a text file called "Regcopy1.txt" (for example). To create this file, run the following command when you start in Recovery Console:
batch regcopy1.txt
With the batch command in Recovery Console, you can process all the commands in a text file sequentially. When you use the batch command, you do not have to manually type as many commands.



Part two
To complete the procedure described in this section, you must be logged on as an administrator, or an administrative user (a user who has an account in the Administrators group). If you are using Windows XP Home Edition, you can log on as an administrative user. If you log on as an administrator, you must first start Windows XP Home Edition in Safe mode. To start the Windows XP Home Edition computer in Safe mode, follow these steps.

Note Print these instructions before you continue. You cannot view these instructions after you restart the computer in Safe Mode. If you use the NTFS file system, also print the instructions from Knowledge Base article KB309531. Step 7 contains a reference to the article.
To complete part two, follow these steps:

1. Click Start, click Shut Down (or click Turn Off Computer), click Restart, and then click OK (or click Restart).
2. Press the F8 key.

On a computer that is configured to start to multiple operating systems, you can press F8 when you see the Startup menu.

3. Use the arrow keys to select the appropriate Safe mode option, and then press ENTER.
4. If you have a dual-boot or multiple-boot system, use the arrow keys to select the installation that you want to access, and then press ENTER.

In part two, you copy the registry files from their backed up location by using System Restore. This folder is not available in Recovery Console and is generally not visible during typical usage. Before you start this procedure, you must change several settings to make the folder visible:

1. Start Windows Explorer.
2. On the Tools menu, click Folder options.
3. Click the View tab.
4. Under Hidden files and folders, click to select Show hidden files and folders, and then click to clear the Hide protected operating system files (Recommended) check box.
5. Click Yes when the dialog box that confirms that you want to display these files appears.
6. Double-click the drive where you installed Windows XP to display a list of the folders. If is important to click the correct drive.
7. Open the System Volume Information folder. This folder is unavailable and appears dimmed because it is set as a super-hidden folder.

Note This folder contains one or more _restore {GUID} folders such as "_restore{87BD3667-3246-476B-923F-F86E30B3E7F8}".

Note You may receive the following error message:
C:\System Volume Information is not accessible. Access is denied.
If you receive this message, see the following Microsoft Knowledge Base article to gain access to this folder and continue with the procedure:

309531
How to gain access to the System Volume Information folder


8. Open a folder that was not created at the current time. You may have to click Details on the View menu to see when these folders were created. There may be one or more folders starting with "RPx under this folder. These are restore points.
9. Open one of these folders to locate a Snapshot subfolder. The following path is an example of a folder path to the Snapshot folder:
C:\System Volume Information\_restore{D86480E3-73EF-47BC-A0EB-A81BE6EE3ED8}\RP1\Snapshot
10. From the Snapshot folder, copy the following files to the C:\Windows\Tmp folder:
• _REGISTRY_USER_.DEFAULT 
• _REGISTRY_MACHINE_SECURITY 
• _REGISTRY_MACHINE_SOFTWARE 
• _REGISTRY_MACHINE_SYSTEM 
• _REGISTRY_MACHINE_SAM

11. Rename the files in the C:\Windows\Tmp folder as follows:
• Rename _REGISTRY_USER_.DEFAULT to DEFAULT 
• Rename _REGISTRY_MACHINE_SECURITY to SECURITY 
• Rename _REGISTRY_MACHINE_SOFTWARE to SOFTWARE 
• Rename _REGISTRY_MACHINE_SYSTEM to SYSTEM 
• Rename _REGISTRY_MACHINE_SAM to SAM

These files are the backed up registry files from System Restore. Because you used the registry file that the Setup program created, this registry does not know that these restore points exist and are available. A new folder is created with a new GUID under System Volume Information and a restore point is created that includes a copy of the registry files that were copied during part one. Therefore, it is important not to use the most current folder, especially if the time stamp on the folder is the same as the current time.

The current system configuration is not aware of the previous restore points. You must have a previous copy of the registry from a previous restore point to make the previous restore points available again.

The registry files that were copied to the Tmp folder in the C:\Windows folder are moved to make sure that the files are available under Recovery Console. You must use these files to replace the registry files currently in the C:\Windows\System32\Config folder. By default, Recovery Console has limited folder access and cannot copy files from the System Volume folder.

Note The procedure described in this section assumes that you are running your computer with the FAT32 file system. For more information about how to access the System Volume Information Folder with the NTFS file system, click the following article number to view the article in the Microsoft Knowledge Base:
309531 How to gain access to the System Volume Information folder


Part Three
In part three, you delete the existing registry files, and then copy the System Restore Registry files to the C:\Windows\System32\Config folder:

To complete part three, follow these steps:
1. Start Recovery Console.
2. At the command prompt, type the following lines, pressing ENTER after you type each line:
del c:\windows\system32\config\sam 

del c:\windows\system32\config\security 

del c:\windows\system32\config\software 

del c:\windows\system32\config\default 

del c:\windows\system32\config\system 

copy c:\windows\tmp\software c:\windows\system32\config\software 

copy c:\windows\tmp\system c:\windows\system32\config\system 

copy c:\windows\tmp\sam c:\windows\system32\config\sam 

copy c:\windows\tmp\security c:\windows\system32\config\security 

copy c:\windows\tmp\default c:\windows\system32\config\default 
Note Some of these command lines may be wrapped for readability.
3. Type exit to quit Recovery Console. Your computer restarts.
Note This procedure assumes that Windows XP is installed to the C:\Windows folder. Make sure to change C:\Windows to the appropriate windows_folder if it is a different location.

If you have access to another computer, to save time, you can copy the text in step two, and then create a text file called "Regcopy1.txt" (for example).


Part Four

To complete part four, follow these steps:

1. Click Start, and then click All Programs.
2. Click Accessories, and then click System Tools.
3. Click System Restore, and then click Restore to a previous RestorePoint.

http://support.micro...kb;en-us;307545

REFERENCES
For more information about using Recovery Console, click the following article numbers to view the articles in the Microsoft Knowledge Base:
307654 How to install and use the Recovery Console in Windows XP
216417 How to install the Windows XP Recovery Console
240831 How to copy files from Recovery Console to removable media
314058 Description of the Windows XP Recovery Console For more information about System Restore, click the following article numbers to view the articles in the Microsoft Knowledge Base:
306084 How to restore the operating system to a previous state in Windows XP
261716 System Restore removes files during a restore procedure
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#3
Akimb0

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I'm pretty sure this will work.....but.....very first command line in part one "md temp" returns "access denied" also I didnt get asked for an administrative password...it went straight into prompt.. any ideas? :whistling:((

Edited by Akimb0, 11 April 2006 - 02:40 AM.

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#4
dsenette

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did you actually go to the recovery console...or did you just boot to safe mode with command prompt?
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#5
Akimb0

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Recovery console :whistling: I was a little puzzled, every other time I have been into it, it has asked for the password etc and been fine but not this time...It's not possible my actual winxp cd is corrupt is it? :-S

Edited by Akimb0, 11 April 2006 - 06:59 AM.

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#6
Akimb0

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hum....bump?
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#7
dsenette

dsenette

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sorry..was thinking....let's try an xp repair install and see if she flies...but first
in RC (recovery console) type
chkdsk /r and let that run to completion...see if that helps any (either with booting OR with getting into RC as administrator)

if it doesn't work do

Boot up with the XP CD in the drive and let Setup run. Go past the "C" and "R" repair options by presssing Enter just as if you're doing a clean install and you'll eventually get an option to "Repair an existing installation". That's the one you want. If it asks about formatting you've gone wrong, so start over.

You'll get to keep your existing apps & settings, but you need to re-install SP2, Windows Updates & any unsigned drivers afterwards. NOTE: Be aware that you'll lose any protection from Blaster / Sasser type worms. Don't go online without a firewall, whether the built in Windows one or 3rd party.

How to Perform A Re-Install Of XP
Repair XP
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#8
Akimb0

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Hi, sorry for the bump, Umm, I dont have the repair option. My winxp cd has SP2 on it already. I'll run the chkdsk now and let you know..
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#9
dsenette

dsenette

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what kind of xp cd is this?
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#10
Akimb0

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WinXP Home WITH SP2. I think thats why I cant get repair Installation. I just ran the chkdsk, and it said the volume was fine. I tried to boot WinXP and I got windows\system32\config\system is missing or corrupt. I also tried copying/renaming that file as part one says, but it says it cant find it lol. It still didn't ask me for the admin. password though.
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#11
dsenette

dsenette

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doesn't matter that the disk has sp2 on it...when you boot you should get two options first...to setup windows or to go to recovery console...choose to setup windows...it should then DETECT the current windows installation and give you three options install windows again...repair t he current one....or leave....
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#12
Akimb0

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Nope, no option to repair the installation. :whistling: I followed both guides in the links and no luck. where I should be getting it I only get install again or leave.

Edited by Akimb0, 12 April 2006 - 07:23 AM.

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#13
Akimb0

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If I put my HDD into another pc, as a slave drive, would I be able to do the steps that way?
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#14
dsenette

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no because any thing you do in RC on the other computer would be effecting IT"s drive....THOUGH...theoretically you COULD do the steps through windows on the other machine as most of it is just copying files around....i've never actually tried that...
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#15
Akimb0

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Well here goes ^_^ I'll let you know what happens, I was going to format the HDD anyway, so I can't see the harm in trying :whistling:
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