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XP won't fully boot


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6 replies to this topic

#1 Too Much Pron

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Posted 18 June 2011 - 03:16 PM

My current problem is that Windows XP won't start in any mode (normal or safe). It runs through the Windows XP splash screen (with the black background) then almost get's to where the user list would be displayed however it doesn't quite make it. It stops on the Windows XP logo with the blue background.

The way this seemed to have happened was that I was trying to install Itunes and it kept failing because of registry permission issues. I tried fixing these permissions and it seemed to take. The install of Itunes continued to fail because quicktime (which is apparently required) would not install properly. Some issue with the Windows Installer not right. So, I followed Microsoft's advice and I changed the registry for the location of that class and rebooted. This is when the fun started.

So, any advice?

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#2 Allan

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Posted 18 June 2011 - 03:19 PM

Use system restore to go back to before you messed with the registry.
Here are the instructions for starting System Restore from the command prompt:

Start your computer by selecting Safe Mode with Command Prompt.
When the command prompt is displayed, type the following: [systemroot]\system32\restore\rstrui.exe (the system root folder is the folder to which you installed the XP operating system files, usually c:\windows).

Press Enter

Now you can follow the instructions on the screen to use System Restore

#3 AustrAlien

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Posted 19 June 2011 - 02:48 AM

If you can't start Windows Safe Mode with command prompt to follow Allan's suggestion, you might wish to try the following ...

Try using a LIVE CD to perform an off-line system restore of the registry hives.

Using a working computer:
There are many options to use for a LIVE CD: Try Puppy Linux (download file size 128 MB)
When you have downloaded the ISO image, burn it to a CD using ImgBurn (choose "Write image file to disc"). The CD will be bootable.

Now to work on your problematic computer:
Boot from the Puppy Linux CD. You will be able to navigate to all the files on your HDD.

Off-line system restore using a LIVE CD

:step1: Navigate to C:\System Volume Information\
Inside that folder you will see a folder with a name beginning with "restore" followed by a long alpa-numeric code in brackets. Inside the "restore<bracketed long alpa-numeric code>" folder you will see a number of folders named "RP<3 digit number>". Choose the highest number: That is your most recent System Restore point.
Open the "RP<highest number>" folder and inside that you will see another folder called "snapshot". Finally, open the "snapshot" folder and you will be at this address ...
C:\System Volume Information\restore<bracketed long alpha-numeric code>\RP<highest number>\snapshot

Locate the 5 files that you need to copy from within the snapshot folder:

_REGISTRY_MACHINE_SYSTEM
_REGISTRY_MACHINE_SOFTWARE
_REGISTRY_MACHINE_SECURITY
_REGISTRY_MACHINE_SAM
_REGISTRY_USER_.DEFAULT


Copy these 5 files from here, and paste into the "config" folder at following location ...
C:\Windows\System32\config <<< folder


:step2: In the "config" folder at C:\Windows\System32\config, locate the current registry hive files ...

system
software
security
sam
default

.... and re-name them by appending .old to the filename, so that they now look like this ....

system.old
software.old
security.old
sam.old
default.old


:step3: Still in the "config" folder at C:\Windows\System32\config
Re-name the files that you copied from the restore point:

_REGISTRY_MACHINE_SYSTEM ... rename to SYSTEM
_REGISTRY_MACHINE_SOFTWARE ... rename to SOFTWARE
_REGISTRY_MACHINE_SECURITY ... rename to SECURITY
_REGISTRY_MACHINE_SAM ...rename to SAM
_REGISTRY_USER_.DEFAULT .... rename to DEFAULT (You MUST remove the dot in front of DEFAULT)

You have now completed the system restore. Shut down the computer, removing the LIVE CD.


Does your Windows XP system start normally now?

Edited by AustrAlien, 19 June 2011 - 02:48 AM.

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#4 Too Much Pron

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Posted 19 June 2011 - 08:27 AM

Thanks for the replies. I'm going to see if these help.

#5 Too Much Pron

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Posted 19 June 2011 - 12:55 PM

Allan - Thanks but the safe mode with command prompt also did not work.

AustriAlien - That worked. Thanks! The Puppy Linux is a great tool!

#6 Allan

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Posted 19 June 2011 - 01:05 PM

Glad you're all squared away. Thanks for posting back.

#7 AustrAlien

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Posted 19 June 2011 - 06:15 PM

Thank you for letting us know the result.

Pleased to see the issue resolved so easily, and to know that you enjoyed your Puppy experience. Yes, Puppy serves well as a Windows rescue tool, and is handy to have available when your Windows system is not accessible/useable for one reason or another.

Take care, and good luck.
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