0FDC5295-776D-40DC-8F63-21AAA7C79222@microsoft.com,

The simplest solution is to do the following:

Boot into the XP installation on your C drive.
Backup your Boot.ini file just in case something goes wrong.
Next, open My Computer and right click on your D drive.
Select Format from the menu.
You can select Quick Format if you want.
Note: Formatting will erase all the files on this drive. If
there are any files and/or folders you wish to retain make sure
you back them up to a reliable location first.
Once you've formatted the D drive go to Start -> Run and enter
msconfig in the Open box.
Click OK.
In the System Configuration Utility, click on the BOOT.INI tab.
On the BOOT.INI tab, hit the "Check All Boot Paths" button.
You should see a message asking if you want to remove an
incorrect path.
Answer yes.
That should remove the reference to D.

FYI, your Boot.ini file should end up looking similar to this,

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows
XP Professional Edition" /fastdetect /NoExecute=OptIn

Note: Substitute Home for Professional if that applies to your
system.

Good luck

Nepatsfan

Boot to xp cd,recovery,press 1 For C:  Press enter for password,type:DiskPart
In DiskPart,delete the partition (D:),create one if desired,press ESC
key,type:
FORMAT D: /FS:NTFS  Recovery will format & you can use for storage,or type:
EXIT

Replied to [Chris McClain]s message :
-----------------------------------------------------------

1. Boot in "C:\"
2. Format D
   Choosing between NTFS and Fat32:
   http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/c
hoosing_between_ntfs_fat_and_fat32.mspx?mfr=true
   http://www.theeldergeek.com/ntfs_or_fat32_file_system.htm
3. Click Start > Run > Msconfig
   Boot.ini tab > Click "Check all boot paths" button
   Follow the steps to delete the invalid entry
   Click Apply
   Click "Check all boot paths" (Yeah, once again )
   It should say:
  "It appears that all BOOT.INI lines for Microsoft operating systems are OK"
   Click OK > No need to restart now.