How to Troubleshoot: Invalid Drive Error 1327 on Windows 10

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Most people complain about error 1327, which occurs when you install or uninstall Microsoft Office on your computer. However, it can also occur in other programs such as Adobe, Epic Games, Minecraft, Autocad, and others.

Error 1327 can occur if the disk specified in the message is invalid. It can also occur when a Windows installer tries to terminate at an unassigned network location. Whatever the cause, there is always an effective solution.

Today’s article will tell you how to fix the error 1327 Invalid drive when you try to uninstall Microsoft Office or another program.

What causes error 1327 Invalid drive?

  • Registry and network drive references are no longer linked.
  • Check the Reconnect at logon box on the network drive and the system folder will show up on the drive.
  • Your registry key may contain incorrect values.
  • You have accidentally changed the drive letter of your DVD drive.
  • The system registry points to a temporary drive.

How to resolve the error 1327 – Invalid drive?

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Disconnect the network drive

  1. Go to Search, type File Explorer, and open File Explorer.
  2. Navigate to this computer
  3. Press Ctrl + F1 to open the tool ribbon.
  4. Under “Map Network Drive,” navigate to “Disconnect Network Drive.”
  5. Try installing your program again

Reassign the drive letter to a temporary location

Use this method to associate a drive letter with the virtual drive storage. This way, the installer finds the appropriate temporary path and uses it to install the problem software.

  1. Run the command line as administrator
  2. Type subst [drive letter]: C:temp -> press Enter -> Close the command line -> reinstall the software.
  3. Restart the command line and enter the command subst /D [driver letter]: to remove the program shortcut with a temporary path -> press Enter.

Removing drive letters using the command line

Use this command to connect or disconnect a drive letter from a virtual location. If you disconnect a drive letter, your program can be installed without any error message appearing.

  1. Go to Search, type cmd, and open a command prompt.
  2. At the command prompt, type the following line and press Enter:
    subst /P (driver’s letter).
  3. Close the command line and try to install your program.

Reinstall the program

If this error occurs when you try to install software that was previously uninstalled, some remnants of the old program may be causing a conflict.

You should make sure that the system is completely cleared of old or unused software. There are specialized tools that scan every part of the system, detect and remove the remnants.

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Frequently Asked Questions

  1. Delete the drive letter using the command line.
  2. Reinstall the program.
  3. Disconnect the network drive.
  4. Reassign the drive letter to a temporary location.
  5. Create a new user account.

  1. Click the Start button.
  2. Type "Disk Management" and press Enter.
  3. Right-click the drive whose drive letter has been changed, and then select Change Drive Letters and Paths.
  4. Click Edit.
  5. Replace the letter with the original letter.
  6. Click OK.

Click the Disk Management link, and then click the drive assigned to your external hard drive. Right-click on the storage medium, then click Change Drive Letters and Paths.

The message "Error 1327. invalid drive (letter)" may appear when you try to install or uninstall NetBackup on a Windows server. This message is generated by the Microsoft installation program (MSI) if one of the paths specified in the registry for the account performing the operation is incorrect or does not exist on the server.

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