You receive an "Error 1327. Invalid Drive: C:\" error message when you install Office 2000

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For a Microsoft Office XP version of this article, see 290356.
When you run the Office Setup program you may receive the following error messages:
Error 1327. Invalid Drive: C:\

Installation ended prematurely because of an error.
When you click OK, Office Setup quits.
This problem may occur if you have used the Disk Administrator utility included in Microsoft Windows NT 4.0 to change the drive letter of the hard disk that the operating system is installed on, for example, the C drive.

The problem occurs because the Office Setup program uses registry keys to determine the locations of certain folders that are required to install Office. If the drive letter of the hard disk that contains the operating system has been changed, the registry keys refer to nonexistent folders and Setup fails.
To correct this problem, use the Windows NT Disk Administrator program to restore the drive letter of the hard disk to its original value:

  1. Click Start, point to Programs, point to Administrative Tools, and click Disk Administrator.
  2. Right-click the drive whose letter you want to change. On the shortcut menu, click Assign Drive Letter.
  3. Select the correct drive letter from the list and click OK.
If you are prompted to quit the Disk Administrator or to restart your computer, do so. Once the computer has restarted, attempt to install Office again.
If you use the Disk Administrator utility in Windows NT to change the drive letter of the hard disk the operating system is installed on, you receive the following alert message:

Changing the drive letter for the windows directory may produce unexpected results. Are you sure you want to continue?
For more articles about how to troubleshoot specific errors in Office Setup: For more articles with general information about how to troubleshoot Office errors:

Article ID: 217666 - Last Review: 12/05/2015 12:59:13 - Revision: 3.2

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