Resolve Error 1327: Invalid Drive while Installing Programs on Windows 10

This article explains five approaches to resolve error 1327, "Invalid Drive," encountered during program installation or uninstallation in Windows. Upon completing this article, you will gain an understanding of the error 1327 Invalid Drive and effectively eliminate the error message.

Error 1327 Invalid Drive refers to an error that occurs when a program or installation process tries to access a drive letter that is either incorrect, non-existent, or no longer connected on your computer. This error typically pops up during software installations or updates, and it can prevent the process from completing successfully. It might be caused by a temporary issue with the installation source, a missing or damaged file, or an incorrect path specified in the setup files. To resolve this issue, you would need to verify the installation source, check for any disconnected or invalid drive letters, and potentially modify the installation path.

Error 1327: Invalid Drive [Drive Letter] is an error message that occurs when the drive, typically the system drive, utilized for installing the application is deemed invalid. This means that the downloaded setup file is trying to complete the installation on a drive that is not recognized by Windows or has been incorrectly configured.

The primary reasons that may lead to an invalid drive for program installation or uninstallation are as follows:

• The destination drive is a network drive and has not been mapped yet.
• The drive letter assigned to the hard drive does not exist.
• The System Registry is incorrectly referencing a temporary drive.

This issue is commonly associated with Microsoft Office installations, but it can also occur with various other applications like Camtasia, Adobe, Acrobat, Photoshop Elements, CS3, and Autodesk. Hence, the methods outlined below for resolving the "Error 1327: Invalid Drive in Windows 10" apply to any application that encounters this error.

How to Resolve the "Invalid Drive Error 1327" on Windows

Now that you're aware of the main causes of Error 1327 Invalid Drive, you can proceed with the following guidelines to fix this invalid drive issue on Windows.

How to fix error 1327 Invalid Drive on Windows 10:

1. Method 1. Map the unmapped network drive
2. Method 2. Redirect installation to a valid system drive
3. Method 3. Modify the System Registry

Method 1: Resolving Error 1327 Invalid Drive - Mapping the Unmapped Network Drive

If the error message specifies that you cannot install a program on a particular drive, it is probable that you lack the necessary permissions, particularly on a network drive. The resolution for this issue is quite straightforward - map the network drive.

Step 1. Press the Windows + R keyboard shortcut to open the Run dialog box.

Step 2. Type "cmd" (without quotes) in the dialog box and press Ctrl + Shift + Enter to open Command Prompt with administrative privileges.

Step 3. When you see the User Account Control (UAC) window, click Yes.

Step 4. In the Command Prompt, type "net use X: \\server/share" (without quotes) and press Enter to map the drive that's causing the Error 1327.

Step 5. Wait for the command to process, then exit the Command Prompt, and restart your Windows PC.

If the error 1327 invalid drive message still appears, proceed to another method.

Method 2: Redirect installation to a valid system drive to fix Error 1327

For some reason, Microsoft Office might insist on installing on drive F even if it's not there on your PC. To get rid of this warning, you can use the SUBST command in a Windows machine to replace the path of the invalid drive with a valid system drive.

Here are the steps to fix Error 1327 Invalid Drive in Windows 10: 1. **Check for Incorrect Installation Path**: - Open the Control Panel and navigate to "Programs" or "Programs and Features." - Locate the program that's causing the error and right-click on it. - Choose "Change" or "Modify" to view the installation path. - Make sure the path doesn't contain any invalid drive letters. 2. **Remove Temporary Drive Letters**: - Press `Win + X` and select "Command Prompt (Admin)" or "PowerShell (Admin)." - Type `diskpart` and press Enter. - Type `list volume` and press Enter to view all volumes. - Identify any temporary drive letters assigned to USB drives or CD/DVD drives. - Type `select volume [number]` (replace [number] with the volume number) and press Enter. - Type `remove letter=[letter]` (replace [letter] with the invalid drive letter) and press Enter. 3. **Reinstall the Program**: - Uninstall the problematic program using the Control Panel. - Restart your computer. - Connect any external drives or media to the correct ports. - Reinstall the program, ensuring you choose a valid installation path. 4. **Update System Drivers and Components**: - Press `Win + X` and click on "Device Manager." - Check for any outdated or corrupted drivers, especially those related to storage controllers or disk drives. - Right-click on the driver and select "Update Driver." - Alternatively, visit the manufacturer's website to download the latest drivers. - Update any relevant Windows components via Settings > Update & Security > Windows Update. 5. **Run System File Checker (SFC)**: - Open Command Prompt as an administrator. - Type `sfc /scannow` and press Enter. - Wait for the process to complete and restart your computer. 6. **Perform a Clean Boot**: - Press `Win + R` to open the Run dialog, type `msconfig`, and press Enter. - Go to the "Services" tab and check "Hide all Microsoft services." - Disable all other services and click "Apply" then "OK." - Restart your computer and see if the error persists. - If not, enable services one by one to identify the conflicting service. 7. **Restore or Reset Windows 10**: - As a last resort, consider restoring your system to a point before the error occurred. - Access System Restore through "System Protection" in the Control Panel. - Alternatively, you can perform a "Reset this PC" from Settings > Update & Security > Recovery. Remember to back up important data before making significant changes to your system.

Step 1. Press the Windows + R keyboard shortcut to open the Run dialog box.

Step 2. Type "cmd" (without quotes) in the dialog box and press Ctrl + Shift + Enter to open Command Prompt with administrative privileges.

Step 3. Click "Yes" when you see the UAC (User Account Control) window.

Step 4. Type "subst X: C:\" (without the quotes) and press Enter to replace drive X with drive C.

Step 5. Close the Command Prompt and restart your PC to check if the installation or uninstallation completes successfully.

Method 3. Modify the System Registry

If you continue to encounter error 1327 indicating an invalid drive number after mapping a network drive and replacing the path of the non-existent hard drive, it's possible that the System Registry requires updating.

Here's how to do it using the Registry Editor:

Step 1. Press the Windows + R keyboard shortcut to open the Run prompt.

Step 2. Type "regedit" (without quotes) in the dialog box and press Enter to open the Registry Editor.

Step 3. When you see the User Account Control (UAC) window, click Yes to grant administrative access.

Step 4. Right-click Computer in the left pane, and select Export to back up the registry first.

Step 5. Navigate to or search for the following path, and then press Enter:

HKEY_CURRENT_USER\Software\Microsoft\Office\ This is a path in the Windows Registry that refers to the current user's settings for Microsoft Office applications. In English, it would be translated as: HKEY_CURRENT_USER\Software\Microsoft\Office\

Step 6. Expand the subfolder named with the current software installation version.

Step 7. Select the Delivery folder and examine the entries in the right-hand pane.

Step 8. Double-click LocalCacheDrive to open the Edit String dialog box.

Step 9. In the Value Data box, enter your system drive, which is typically the C drive.

Step 10. Click OK, then restart your PC for the changes to take effect.

Final Words

Error 1327 Invalid Drive prevents the installation or uninstallation of programs on Windows. Hopefully, these solutions will assist you in resolving the "error 1327 invalid drive Windows 10" issue.

If this message is seen again, you can try updating your drivers or using a third-party software installer to complete the operation.