Troubleshooting: Invalid Drive Error 1327 in Windows 10 PC

  • The “Invalid drive” error 1327 is an installation error that occurs when the drive used to install an application is invalid.
  • This problem occurs mostly when installing Microsoft Office, but it can occur with many other applications as well.
  • In most cases, this error occurs because the installer is trying to complete the process on an unallocated network drive.
  • In this case, you can use the SUBST command to redirect to the correct drive or manually change the LocalCacheDrive location.

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Invalid Driver

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Results of screen317’s Security Check version 0.99.7 Windows XP Service Pack 3 Internet Explorer 7 Out of date! “““““““““““““““ Antivirus/Firewall Check: Windows Firewall Enabled! AVG 2012 “““““““““““““““` Anti-malware/Other Utilities Check: Out of date Spybot installed! Malwarebytes’ Anti-Malware Java™ 6 Update 26 Java™ 6 Update 2 Java™ 6 Update 3 Java™ 6 Update 5 Java™ 6 Update 7 Out of date Java installed! Adobe Flash Player Adobe Reader 9.4.6 Out of date Adobe Reader installed! ““““““““““““““““ Process Check: objlist.exe by Laurent Spybot Teatimer.exe is disabled! AVG avgwdsvc.exe AVG avgtray.exe AVG avgrsx.exe AVG avgnsx.exe AVG avgemc.exe “““““End of Log““““““

You can re-enable the startup items after the installation is complete by contacting Adobe Technical Support.

Acrobat or Adobe Reader will not install or update on Windows when you upgrade to CS4 or CS5.

The drive letter can be removed using the subst command.

The “Invalid driveerror 1327 is an installation error that occurs when the drive used to install an application is invalid. This problem occurs mostly when installing Microsoft Office, but it can occur with many other applications as well.

Invalid Drive F

One of my installers is a single-file compressed EXE. Source caching is explicitly disabled.At some point, a user installed the application from a USB thumb drive containing the EXE. Now we have an installer for a new version of the application, that upgrades the existing version.When this user launched the new installer from a CD, with no thumb drive connected, got the error message “Invalid drive F:\” during the “Uninstalling previous version” step. The curious thing is that seems like after plugging ANY (no matter what its contents) thumb drive to the USB port, everything will function correctly.Can any body explain the rationale behind this behavior?

This error message may appear when installing any program:

A corrupted My Pictures registry key can cause Error 1327 during the installation of the program, which can occur if the My Pictures folder is pointing to an external drive or an empty drive. In order to install TurboTax, it needs to be corrected, although it is not a TurboTax issue.

A network location that has not yet been configured is likely to cause this error, which can be quickly resolved by displaying an unallocated network drive.

The solutions in this article pertain to Microsoft Office, but they can be applied to just about any application.

It is common for Office to install to non-existing disks. If this is the case, you may want to redirect the installation to what is actually available.

What causes Windows 10 error 1327 “Invalid drive”?

  • There may be an error in your registry key.
  • Temporary drives are listed in the registry.
  • There was an error in changing the DVD drive letter.
  • We are no longer able to connect your registry credentials to your network drive.
  • The system folder will appear on the network drive if you check the Reconnect at login option.

How to repair the Windows 10 Invalid Disk Error 1327?

Updated: February 2024

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Driver updates

  1. The Quick Link menu can be opened by pressing Windows + X together.
  2. Go to the menu and select Device Manager.
  3. You can update your driver by right-clicking on it in the new window that appears.
  4. You will then be able to update your driver.
  5. The updated driver will be installed automatically once you click Automatically check for drivers.
  6. If you want to update more than one driver, repeat steps 3 and 4.
  7. Your Windows computer needs to be rebooted.

Matching an unmapped network drive

  1. The Run dialog box can be opened by pressing the Windows + R keys together.
  2. The command prompt will be opened as administrator when you type “cmd” (without the quotes).
  3. When prompted by UAC, pick “Yes”.
  4. Using “clean use x”: /server/share /persistent:yes, enter it without any quotes.
  5. Install or remove the program on the drive letter indicated by x.
  6. Your computer needs to be restarted after you close the prompt window.
  7. If your program does not work, try installing it or uninstalling it.

Disconnect the network drive

  1. In order to open File Explorer, press Windows + E at the same time.
  2. The left menu area will allow you to select this PC.
  3. The Tools menu can be opened by pressing Ctrl + F1.
  4. From the window’s top, click Map Network Drive.
  5. The Disable Network Drive option will appear in the drop-down menu.
  6. Ensure that error 1327 does not occur when you install or uninstall your application.

RECOMMENATION: Click here for help with Windows errors.

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.

It occurs because the Windows registry assigns the wrong data to certain folders. Several folders may be affected.

  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.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.