Follow these directions from our Windows Vista Installation Guide
to get rid of all traces of Vista. That will prevent the bootmgr error message:
[html]<center><font color="#000080">REMOVING WINDOWS VISTA FROM YOUR SYSTEM</font></center>
The instructions below can be applied to installations of all "Earlier versions of Windows" including Windows 2000, Windows XP Professional X64 Edition and Windows Server 2003.1.
If you installed Windows Vista as a STANDALONE
operating system on its own PC, then simply reformat the hard drive it is on, or do a reformat and clean install of another Windows version to your computer, by booting from the installation CD or DVD. 2.
In instances where users have a DUAL BOOT or MULIT-BOOT
scenario with another OR other Windows operating systems, for example Windows XP, follow these steps to remove Windows Vista:2 (a):
With Windows Vista still fully installed, boot into Windows XP and download and install VistaBootPRO
in Windows XP. Ignore the prompt to backup the BCD and go to the Bootloader tab. Select "Uninstall the Vista bootloader" and click Apply. 2 (b):
Now go to and open My Computer. Right click your Windows Vista installation drive/partition and select Format. A "Quick format" is fine.2 (c):
Still in My Computer, select Tools>"Folder Options…" and ensure that you set your folder options to "Show hidden files and folders" and that you clear the check box for "Hide protected operating system files".
Delete the following files:
Vista will now be removed from your system, but there will still be some files that it has left on your system drive/partition.
If you want to get rid of all traces of Vista, then follow the steps below to delete:
Boot (folder and contents)
bootmgr NOTE: You will be unable to delete the folder Boot or the file bootmgr WITHOUT following the process described below, as they are protected files. Leaving them on your system drive will however do no harm to your Windows XP installation. Any subsequent installation of Windows Vista will overwrite them. 2 (d):
To delete the folder Boot and the file bootmgr, switch user in Windows XP or earlier, to Administrator or if the user account Administrator is not active, restart and boot into Safe Mode and select the Administrator account to log in with. Once logged into Safe Mode, open My Computer, go to Tools>Folder Options and make sure that your view settings are set to "Show hidden files and folders" and that you clear the check box for "Hide protected operating system files"
.Follow these directions to delete the file bootmgr:*
Double click your Windows XP installation drive and select the file bootmgr. Follow the path, right click>Properties>Security>Add and type Administrator, then Check Names>OK>Full Control>Apply>OK. *
Again select bootmgr, right click and go to Properties>Security, and select Administrator in the Group or user names pane>Advanced>Owner>OK>OK*
For a third time select bootmgr, right click and go to Properties>Security select Administrator in the Group or username pane, Advanced>Permissions>Select and type Administrator>Check Names>OK>OK>OK.*
Right click bootmgr and delete it.Follow these directions to delete the folder Boot*
Select the folder Boot, right click>Properties>Security>Advanced>Owner tab and select Administrator and check the check box for "Replace owner on sub containers and objects>OK>OK*
For a second time, select the folder boot, right click>Properties>Security>Advanced>>Permissions tab>Add and type Administrator>Check Names>OK>Full Control>OK and select "Replace permissions on all child objects..." and click OK*
Right click the folder Boot and delete it.3.
Should your primary operating system NOT be Windows XP, or an earlier Windows version, or where you have more than one instance of Windows Vista installed, it is strongly recommended that you do NOT use the Dual-Boot or Multi-Boot Removal Method. In these circumstances, you are advised to post for assistance in our Windows Vista Chat & Support Forum
where the Betas Team & Support Centre Team are available to give you the necessary advice and support.