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uninstall windows xp

By williedog19 ·
how can i uninstall windows xp?

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uninstall windows xp

by Ann777 In reply to uninstall windows xp

How to Manually Start the Uninstall Process to Remove Windows XP (Q312569)

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The information in this article applies to:


Microsoft Windows XP Home Edition
Microsoft Windows XP Professional


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SUMMARY
If you cannot boot into Windows XP in Normal mode or Safe mode, and you upgraded the operating system from Microsoft Windows 98 or Microsoft Windows Millennium Edition (Me), you may need to manually uninstall Windows XP. You can also use the procedures that are described in this article to cancel Windows XP Setup if this option is not available at some point during the installation.

NOTE : In some cases, you may have to reinstall your original operating system after you complete these steps; therefore, Microsoft recommends that you back up any critical data before you proceed with these steps.

NOTE : In this article, C is the drive name that is used for the hard disk on which Windows XP is installed, and X is the drive name that is used for the CD-ROM drive.

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uninstall windows xp

by Ann777 In reply to uninstall windows xp

MORE INFORMATION

Manually Uninstall If You Cannot Start Windows XP
Start the computer with a startup disk for either Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), or Microsoft Windows Millennium Edition (Me).


At the Windows 98 or Windows Me Startup Menu, choose Start computer with CD-ROM support .


Confirm that the Boot.cab file is present in the DriveName Undo folder where DriveName is the name of the drive in which you saved your back up information. To confirm that the files are present, run the following commands (press ENTER after each line):
cd\
cd undo
dir /a
If you receive an error message in response to the second command above, change to other drives on the computer (for example, or E:) and try the command again. If you locate the undo folder on a different drive, modify the extract command in the following step with the correct drive letter.


If the Boot.cab does not exist, follow the steps in the "The Boot.cab File Does Not Exist" section in this article.

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uninstall windows xp

by Ann777 In reply to uninstall windows xp

After you locate the Boot.cab file, run the following commands (press ENTER after each line):


cd\
extract c:\undo\boot.cab /e /y
copy c:\$win_nt$.~bt\txtsetup.sif
copy c:\$win_nt$.~bt\bootini.bak
attrib -r -s -h boot.ini
ren boot.iniboot.xx
copy bootini.bak boot.ini
After you run the commands, remove the startup disk, and then restart the computer. Choose Cancel Windows XP Setup from the Boot menu.


Manually Uninstall If You Can Start Windows XP
You may be able to start Windows XP, but unable to uninstall Windows XP through the user interface because of either of the following reasons:
The option is missing in the Add/Remove Programs tool. In this case, the steps in the previous section may allow you to uninstall Windows XP if the undo folder is present and contains the necessary files.

-or-


You are receiving an error message. If the error indicates that the uninstall information has been modified, you may encounter problems while you try to manually uninstall Windows XP, and Microsoft recommends that you do not manually uninstall Windows XP. Instead, follow the procedure in the "An Error Message Is Displayed" section of this article.

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uninstall windows xp

by Ann777 In reply to uninstall windows xp

An Error Message Is Displayed
NOTE : You may have to reinstall your previous operating system after you complete the following steps. Make sure that you back up any critical data before proceeding. If you do not back up your critical data, you will lose it.
Double-click My Computer , on the Tools menu, click Folder Options , and then click the View tab.


Click Show hidden files and folders .


Click to clear the Hide Protected Operating System Files (Recommended) check box, and then click OK .


Open the C: drive.


Open the Undo folder.

NOTE : If the Undo folder does not exist, or if the Backup.cab file does not exist, you cannot uninstall Windows XP manually.


Double Click the Backup.cab file to open, locate the Extract.exe file (there may be more than one).

Right-click Extract.exe , click Copy , and then close all Windows.

Double-click My Computer , double-click the Local Disk (C:) icon, and then paste the file in the root of the C drive.Run the following commands (press ENTER after each line):

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uninstall windows xp

by Ann777 In reply to uninstall windows xp

cd\
extract c:\undo\boot.cab /e /y
copy c:\$win_nt$.~bt\txtsetup.sif
copy c:\$win_nt$.~bt\bootini.bak
attrib -h -s -r boot.ini
ren boot.ini boot.xx
copy bootini.bak boot.ini
Restart the computer. On the Boot menu, choose Cancel WindowsXP Setup .

If this procedure does not uninstall Windows XP, or if the required files are not on the computer, you need to manually reinstall the previous operating system.
The Boot.cab File Does Not Exist
If the Boot.cab file does not exist in the Undo folder after you have started the computer with the startup disk for Windows 98, Windows 98 SE, or Windows Me:
Locate the $ldr$ file. If it is not in the root of the C drive, run the following command to copy it to that location:
cd\
dir c:\$ldr$
If you find the file, go directly to step 2. If you receive a "file not found" error, run the following command:
copy c:\$win_nt$.~bt\$ldr$
If you find the file, go directly to step 2. If you receive a "file not found" error, runthe following command:

copy c:\$windows\setup\uninst~1\$ldr$
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NOTE: THIS IS ABOUT HALF THE ENTIRE DOCUMENT ON MSKB Q312569 -- I suggest you go to the Microsoft site and print out this article!

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