One of the most common installation errors on QuickBooks is the invalid drive error, numbered 1327. This pops up when the program cannot identify the destination drive during installation. Specifically, QuickBooks Error Code C 1327 occurs with a message stating that “The drive [drive letter] is invalid” or “Invalid drive [drive letter].”What triggers this is disconnecting a USB drive or external hard drive where QuickBooks is attempting to install. QuickBooks cannot complete writing the program files with the destination drive abruptly disconnected mid-installation. Error 1327 blocks the installation entirely until the invalid drive issue is corrected. The good news is that QuickBooks errors are almost always fixable. To troubleshoot error 1327, users typically need to reconnect the problem USB/external drive, remap the drive letter so QuickBooks can detect it again, or directly install QuickBooks on the computer’s internal drive instead. With the destination drive accessible once more, the invalid drive error should be resolved, and installation can pick up from where it left off.

What Causes the QuickBooks Error Code C: 1327 During Installation?

QuickBooks Error Code C 1327 surfaces specifically during the installation process. When first attempting to install the QuickBooks software, users may encounter an error box with the warning message “The drive [drive letter] is invalid” or “Invalid drive [drive letter].” This error occurs because installed programs and their components get saved to specific drives or partitions on a computer’s hard disk. Drives function essentially as separately divided “rooms,” allocating disk space. The Windows C drive usually stores all system files and folders. 

If QuickBooks tries to install on a disconnected, malfunctioning, or otherwise inaccessible drive, error 1327 blocks the installation from fully completing. To resolve the invalid drive error, the target drive partition must be available and working properly again so that QuickBooks can fully install it.


This Girl is Trying to Resolve Quickbooks Error Code 1327
QuickBooks Error Code C: 1327

If you are experiencing QuickBooks error 1327, our technical support team is here to help. Simply call us, and we’ll guide you through permanently resolving the issue.

What Triggers QuickBooks Error Code C 1327 During Installation?

Several issues can cause the frustrating QuickBooks Error Code C 1327 when installing the accounting software. Some common culprits include:

  • Corrupted or disconnected external storage devices: If attempting to install QuickBooks onto an external hard drive or USB that loses connection mid-installation, Error 1327 is likely to occur.
  • Corrupted Microsoft .NET Framework: The .NET Framework component is required for QuickBooks functionality. If damaged or corrupt, it can block a complete QuickBooks installation with Error 1327.
  • Incorrect registry settings: If the Windows registry contains improper drive name or install location entries for QuickBooks, the invalid drive error may appear.
  • Other system-specific issues: Sometimes, Error 1327 has underlying operating system or hardware causes that may require professional troubleshooting and repair beyond DIY fixes.

Carefully checking these common factors triggering Error Code C 1327 can help users get the QuickBooks installation back on track or know when expert assistance is the best solution.

What Symptoms Indicate QuickBooks Error 1327?

  • Error 1327 Is Affecting My QuickBooks

    Several visible symptoms can alert users to QuickBooks error 1327, including:

    • Windows operating system freezing or crashing
    • QuickBooks desktop application freezing or not responding
    • QuickBooks program crashing or force quitting unexpectedly

    If experiencing these system and software disruptions, error 1327 may prevent proper functioning.

    Effective Ways to Troubleshoot Invalid Drive Error 1327

    There are a few step-by-step methods users can follow to troubleshoot QuickBooks Error Code C 1327 successfully:

QuickBooks Error 179

Method 1: Repair the Windows Registry

  1. Backup the registry before making changes
  2. Open the Run command box with Windows + R
  3. Type “Regedit” and click OK
  4. Navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
  5. Replace incorrect drive letters in the registry with C:\
  6. Save changes, restart, and retry to update the installation
  7. Undo changes and reboot again

Method 2: Refresh the Microsoft .NET Framework

  • Go to Control Panel > Programs
  • Click “Turn Windows Features On/Off”
  • Please uncheck the box for Microsoft .NET Framework to turn it off
  • Restart the computer
  • Turn the .NET Framework back on

Method 3: Disconnect and Reconnect Network Drives

  1. Open Windows Explorer and go to Tools
  2. Select “Disconnect Network Drive” and confirm
  3. Return to Tools and choose “Map Network Drive.”
  4. Remove the Shell File option and input the correct path
  5. Click OK to save changes
  6. Reboot and reinstall QuickBooks

Method 4: Create a New Windows User Account for Fresh Install

  1. Open the Run command (Windows + R) and launch the Control Panel
  2. Switch view to Small Icons
  3. Access the Network & Sharing Center, then Change Adapter Settings
  4. Right-click network adapters and turn off all connections
  5. Proceed with QuickBooks install; re-enable adapters after

Method 5: Check Connections with Storage Devices

Issues with storage device connections can trigger error 1327. Verify:

  1. Cables and ports are securely connected
  2. External USB drives and flash drives are attached and functional

Method 6: Run the QuickBooks Install Diagnostic Tool

  1. Download the latest QuickBooks Tool Hub
  2. Open Hub and go to Installation Issues
  3. Click QB Install Diagnostic Tool to scan for issues
  4. Any errors found will automatically be fixed
  5. Restart and test if the error still occurs

Method 7: Install QuickBooks While Disconnected from Network

Installing QuickBooks when offline, which can bypass network-related issues causing error 1327. creating a new user, checking hardware connections, utilizing automated error-fixing tools, and disconnecting from networks during installation can resolve QuickBooks error code 1327. 

Persisting and systematically troubleshooting the various causes behind the invalid drive error is critical to successfully installing QuickBooks.

QuickBooks Offline to Fix QuickBooks Error Code C 1327

Installing QuickBooks when offline and disconnected from networks can prevent error 1327 for users still facing issues after trying other troubleshooting methods.

QuickBooks For Windows 10:

  • Open the Run command and launch the Control Panel
  • Go to View by > Small icons
  • Access Network & Sharing Center > Change Adapter Settings
  • Right-click all adapters and select Disable
  • Ignore any “connection lost” warnings
  • With adapters disabled, install QuickBooks
  • After the installation finishes, re-enable the adapters

QuickBooks For Windows 7 and 8:

  • From the Control Panel, go to View by > Small icons
  • Go to Network & Sharing Center > Change Adapter Settings
  • Right-click and turn off all adapters listed
  • Dismiss any warnings about lost connections
  • With adapters disabled, install QuickBooks
  • Once installed, reactivate the network adapters

By turning off network connectivity before installing, error 1327 can often be avoided across different Windows versions.

By this discussion – Carefully tried all the recommended troubleshooting solutions for QuickBooks error 1327, but the invalid drive issue persists. It may be time to get specialized assistance. Struggling with error 1327 and installation problems alone can lead to incredible frustration. In such cases of recalcitrant error 1327, the best path forward is contacting a QuickBooks support professional.

Dedicated customer support experts have the advanced technical skills to dive deeper and uncover more complex causes of error 1327. QuickBooks users can contact knowledgeable customer support agents directly at 1-888-656-2102 to access round-the-clock support from US-based technicians seeking to resolve their error 1327. With customized troubleshooting expertise beyond standard DIY fixes, consulting QuickBooks customer support is the prudent choice when you can’t get past error 1327 on your own.

Some FAQs Related to QuickBooks Error Code C 1327:

What is QuickBooks Error 1327?

QuickBooks Error Code C 1327 occurs when the program cannot find a specified drive or network location, as the error notification indicates. Incorrect pathways, damaged drives, or network connectivity issues can cause this issue.

Describe the symptoms of QuickBooks error 1327: the drive is not valid.

QuickBooks Error Code C 1327: The drive is sickly, which occurs when a file on a network drive is accessed, but the operating system does not recognize the drive. This Error can lead to data corruption, inaccessibility, and other issues. The symptoms of this Error include:

  1. Error message: The error message states, “Error reading company file, error code 1327. The drive is not valid.”
  2. Data inaccessibility: Users cannot access their company files and data stored on the network drive.
  3. System slowdown: The system performance may slow down due to the Error.
  4. File corruption: The company files may become corrupt or damaged, leading to further issues.

To resolve the Error, ensure the network drive is connected and accessible, check the file permissions, and reinstall QuickBooks. If the issue persists, contact QuickBooks support for additional assistance.

How to fix the QuickBooks Error Code C 1327?

QuickBooks Error Code C 1327 can be fixed by checking the network drive connection file permissions, running the QuickBooks File Doctor, reinstalling QuickBooks, or contacting QuickBooks support for assistance.

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