Uninstall Word 2003 before you attempt to manually uninstall
Office 2000, and then reinstall Word 2003 after you have manually
removed Office 2000.
The following procedure to manually delete Office 2000 was
provided by a Microsoft person some time ago in one of the Office
newsgroups:
1. Download and install the Windows Installer Cleanup utility
from
http://support.microsoft.com/?id=290301
2. Run this utility and check if Office 2000(or other Office
version) is listed.
3. Select Office Products and then click Remove.
4. Click Start, and then click Run.
5. In the "Open" (without the quotation marks) box, type
"regedit" (without the quotation marks), and then press ENTER.
WARNING: If you use Registry Editor incorrectly, you may cause
serious problems that may require you to reinstall your operating
system. Microsoft cannot guarantee that you can solve problems
that result from using Registry Editor incorrectly. Use Registry
Editor at your own risk.
6. Backup the entire registry and then rename or delete the
following registry keys if present:
(Note: '#' represents any number {0-9, A-F})
HKEY_CLASSES_ROOT\Installer\Components
HKEY_CLASSES_ROOT\Installer\Products\904###0900063D11C8EF10054038389C
HKEY_CLASSES_ROOT\Installer\Features\904###0900063D11C8EF10054038389C
HKEY_CLASSES_ROOT\Installer\Patches
HKEY_CURRENT_USER\Software\Microsoft\Installer\Components
HKEY_CURRENT_USER\Software\Microsoft\Installer\Features\904###0900063D11C8EF10054038389C
HKEY_CURRENT_USER\Software\Microsoft\Installer\Products\904###0900063D11C8EF10054038389C
HKEY_CURRENT_USER\Software\Microsoft\Installer\Patches
HKEY_CURRENT_USER\Software\Microsoft\Office
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Installer\Products\904###0900063D11C8EF10054038389C
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Components
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Features\904###0900063D11C8EF10054038389C
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Patches
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\904###0900063D11C8EF10054038389C
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Products\904###0900063D11C8EF10054038389C
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-#-#-##\Products\904###0900063D11C8EF10054038389C
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\<GUID>
OFF2000: GUID = {0#0#0409-78E1-11D2-B60F-006097C998E7}
OFF2002: GUID = {9###0409-6000-11D3-8CFE-0050048383C9}
OFF2003: GUID = {9###0409-6000-11D3-8CFE-0150048383C9}
7. Open Windows Explorer.
8. On the Tools menu, click Folder Options (or, click Folder
Options on the View menu), and then click the View tab.
9. Click to select the "Show hidden files and folders" check box
(or click to select the "Show all files" check box), and then
click OK.
10. Rename or delete the following folders
C:\Program Files\Microsoft Office
C:\Program Files\Common Files\Microsoft Shared\Office9
C:\Program Files\Common Files\Microsoft Shared\Office10
C:\Program Files\Common Files\Microsoft Shared\OFFICE11
C:\Documents and Settings\<UserName>\Application
Data\Microsoft\Office
C:\Documents and Settings\All Users\Application
Data\Microsoft\Office
C:\Program Files\OfficeUpdate
C:\Program Files\OfficeUpdate11
11. To remove MAPI, search for and rename the following
files/folders:
C:\Windows\system32\mapi32.dll
C:\Windows\system32\mapisvc.inf
C:\Program Files\Common Files\System\Msmapi
C:\Program Files\Common Files\System\Mapi
In Office 2003, MAPI components are installed to the
following folder:
C:\Program Files\Common Files\System\Msmapi
In Office 2002, MAPI components are installed to the
following folder:
C:\Program Files\Common Files\System\Mapi
12. Delete contents of %temp%
