How to Resolve QuickBooks Error 1321?

QuickBooks installation error 1321 can be frustrating, as it often halts the software setup process. QuickBook Error Code 1321 can be a frustrating roadblock when trying to install or update QuickBooks. This error typically arises due to permission issues or system limitations that prevent the installer from writing files. In this article, we will guide you through the steps to resolve QuickBooks Error 1321, ensuring a smooth installation or update process.

Understanding QuickBooks Error 1321

When you encounter QuickBooks update error 1321, it indicates a problem with modifying certain files during an update. When you encounter QuickBooks Error 1321 during installation or updating, you may come across one of these messages – 

The installer has insufficient privileges to modify the file C:\Program Files\Intuit\QuickBooks\sdkeventl.DLL.
Error 1321: System has insufficient privileges to modify this file.
The installer has insufficient privileges to modify the file at C:\Program Files\Intuit\QuickBooks YEAR\QBONLI32.DLL.
The installer has insufficient privileges to modify the file C:\Program Files\Intuit\QuickBooks Point of Sale X.0\dataimporter.exe.

Error code 1321 in QuickBooks signifies that the installer lacks the necessary privileges for file modifications.

Causes of QuickBooks Error 1321

Understanding the root causes of this error is crucial for effective resolution – 

  • Antivirus or security software conflicts – Your antivirus or security software may conflict with QuickBooks and restrict its access during installation or updates.
  • Windows permissions – Folder permissions for the file location may be configured to restrict access, preventing QuickBooks from making necessary changes.
  • File damage – The file involved in the installation or update process could be damaged, causing the error.
  • Improper system shutdown –  If your system experienced an improper shutdown, it can lead to issues during the installation process.
  • Speed discrepancy –  Sometimes, the file update process is faster than the file copy process, triggering Error 1321.
  • Security software interference – Your system’s security software, antivirus, or personal firewall may block or interfere with QuickBooks updates, causing this error.

How to fix QuickBooks Error 1321?

To fix QuickBooks error 1321, you may need to adjust permissions and security settings on your system.

QuickBooks Error Code 1321 can be a frustrating obstacle when attempting to install or update QuickBooks. Fortunately, there are five effective troubleshooting methods to permanently resolve this error. Troubleshooting QuickBooks 1321 errors requires a step-by-step approach to identify and resolve the underlying issues.

Method 1 – Retry the update process

QuickBooks Error 1321 can sometimes be resolved by clicking “Retry” during installation or update. 

This method provides a quick and simple first step. If the user encounters QuickBooks error 1321 during an update, clicking the “Retry” button allows the update to proceed. If this doesn’t work, you can choose to cancel the update and proceed with further troubleshooting steps.

  • Click on the “Retry” button to allow the update to continue.
  • If the error persists, click on the “Cancel” icon in the error message.
  • Navigate to the “Options” tab.
  • Temporarily disable your system’s security software or antivirus.
  • Perform a clean reinstallation of the QuickBooks software.

Whether “Retry” doesn’t work, you can choose “Cancel” in response to Error 1321 and proceed with troubleshooting steps.

Method 2 – Update user privileges for files

In this method, we address the specific file mentioned in the error message. By granting proper privileges to the folder containing the problematic file, we can resolve the error. This method varies slightly depending on your Windows version, so we provide instructions for both Windows XP Professional and Home editions.

Identify the error message generated during QuickBooks installation.

  • For example: “QB Error 1321: The Installer has insufficient privileges to modify the file C:\Windows\system32\Macromed\Flash\FlashPlayerTrust\AcrobatConnect.cfg.”
  • Grant privileges to the folder mentioned in the error message (e.g., \Windows\system32\Macromed\Flash\FlashPlayerTrust\AcrobatConnect.cfg).

In Windows XP professional – 

  • Disable hidden files/folders and file sharing.
  • Open “Windows Explorer” and locate the parent folder mentioned in the QB error code 1321 message.
  • Right-click on the parent folder and select “Properties.”
  • Navigate to the “Security” tab.
  • Under “Group” or “User Names,” select “Administrators.”

In Windows XP home- 

  • Restart your computer in Safe Mode with Networking.
  • Follow the directions to update user privileges.
  • Ensure that the ‘Full Control’ permission is allowed for the ‘System’ user.

Method 3 – Editing Windows permissions on the folder

QuickBooks access denied error 1321 can occur if your system’s permissions are not configured correctly.

Sometimes, the error occurs due to Windows permissions on the folder containing QuickBooks program files. This method involves adjusting these permissions to ensure that QuickBooks has the access it needs. We provide step-by-step instructions for different versions of QuickBooks and Windows.

  • Press “Windows” + “R” keys (Windows + R) simultaneously to open the “Run” box.
  • Enter the path to the folder containing QuickBooks program files in the Open field.
  • For different versions, follow the appropriate path.

Adjusting Windows permissions is a common method for fixing QuickBooks Error 1321, particularly when you encounter “Access Denied” issues.

For QuickBooks pro and premier (32-bit versions) – 

  • Customize the folder in the new window.
  • Click on the “Security” tab.
  • Select “Administrators” and choose the “Allow” checkbox next to full control.
  • Choose the “SYSTEM” user and again select the “Allow” checkbox next to full control.
  • Click “OK” to close the “Properties” window and proceed with QuickBooks installation.

Method 4 –  Temporarily disable antivirus software

Your antivirus or security software may inadvertently interfere with QuickBooks updates. Temporarily disabling it can be a workaround to resolve QuickBooks Error 1321. Once disabled, you can proceed with the installation or update and then reactivate your security software.

  • Temporarily disable your antivirus or security software.
  • Install or update QuickBooks.
  • Download and install any available updates.
  • Reactivate your antivirus or security software.

QuickBooks installer error 1321 may appear due to conflicts with security software or inadequate permissions.

Method 5 – Download the QBInstall tool

The QuickBooks Install Diagnostic Tool can be a helpful resource for automatically detecting and resolving Error 1321.

QuickBooks offers a diagnostic tool specifically designed to identify and fix installation errors. By downloading and running the QuickBooks Install Diagnostic Tool, you can automatically detect and address any issues that may be causing QuickBooks Error 1321. This method simplifies the troubleshooting process.

  • Download and install the QuickBooks Install Diagnostic Tool.
  • Click on “Run.”
  • The tool will automatically search for and fix any errors found.

When faced with error message 1321 in QuickBooks, it’s essential to address it promptly to avoid installation or update disruptions.

Resolving QuickBooks Error 1321 –  A case study

In the world of small business accounting, QuickBooks is a trusted and efficient tool. However, like any software, it can encounter errors that may disrupt its installation or update process. One such error is QuickBooks Error 1321, which is known to cause installation and update issues. In this case study, we’ll explore the experience of a small business owner, Michael, who faced this error and how he successfully resolved it.

The challenge

Michael runs a thriving bakery and relies on QuickBooks to manage his finances. When he attempted to update his QuickBooks software to the latest version, he encountered Error 1321. 

The error message read, “The installer has insufficient privileges to modify the file C:\Program Files\Intuit\QuickBooks\sdkeventl.DLL.” 

Michael was unsure about how to proceed and how this error could impact his business operations.

Understanding the issue

Michael started researching the error and discovered that Error 1321 typically arises from permission issues or conflicts with security software. The error indicated that QuickBooks lacked the necessary privileges to make modifications during the update process.

The solution

Michael decided to troubleshoot the issue on his own before seeking professional assistance. He followed these steps:

  • Retry the update – Initially, he clicked on “Retry” to allow the update process to continue. However, the error persisted.
  • Adjusting permissions – Michael realized that he needed to adjust the permissions on his system. He followed the steps outlined in QuickBooks support documentation to grant QuickBooks the necessary access rights for the affected file.
  • Temporarily disable security software – Suspecting his antivirus software might be causing conflicts, he temporarily disabled it before proceeding with the update.
  • Success – After making these adjustments, Michael attempted the update again, and this time, it completed successfully without QuickBooks Error 1321.

Through persistence and following the recommended troubleshooting steps, Michael was able to resolve QuickBooks Error 1321. His bakery’s financial management system was up-to-date and functioning smoothly once again. This case study highlights the importance of understanding common errors like Error 1321 and how taking the right steps can lead to a successful resolution, ultimately ensuring uninterrupted business operations.

If You Face an issue related to QuickBooks Error Code 1014


QuickBooks Error Code 1321 can be a frustrating roadblock, often encountered during the installation or update of QuickBooks software. This error stems from permission issues or system constraints that restrict the installer’s ability to write essential files. In this article, we will explore the causes of QuickBooks Error 1321, shedding light on the various error messages that may appear. Moreover, we will delve into five effective methods to resolve this error comprehensively. These methods range from retrying the update process to editing Windows permissions, all aimed at ensuring a smooth and hassle-free experience with QuickBooks. Stay tuned for expert guidance on resolving this common QuickBooks error.

If you’re unable to resolve QuickBooks Error 1321 on your own, don’t hesitate to contact QuickBooks help for expert assistance and guidance.

Frequently Asked Questions

What is QuickBooks Error 1321?

QuickBooks Error 1321 is a common installation or update error encountered when using QuickBooks. It occurs when the installer lacks the necessary privileges to modify specific files during the installation or update process. This error can disrupt the installation or update of QuickBooks software.

Why do I encounter Error 1321 during QuickBooks installation or updates?

Security software conflicts, such as antivirus programs or firewalls. Inadequate Windows permissions for the folder containing the affected file. File damage or corruption. Improper system shutdown. Discrepancy in the speed of the file update and copy processes.

How can I fix QuickBooks Error 1321?

Attempt to click “Retry” during the installation or update process. If “Retry” doesn’t work, click “Cancel” and proceed to further troubleshooting. Temporarily disable your security software or antivirus.
Update user privileges for the files mentioned in the error message. Adjust Windows permissions on the folder containing QuickBooks program files. Consider a clean reinstallation of QuickBooks software.

What should I do when I see “Access Denied” in QuickBooks Error 1321?

Seeing “Access Denied” in QuickBooks Error 1321 indicates a permission issue. You should proceed with adjusting Windows permissions on the folder as outlined in the troubleshooting steps to resolve the error.

Is it safe to temporarily disable my antivirus or security software to resolve Error 1321?

Yes, it is generally safe to temporarily disable your antivirus or security software for troubleshooting purposes. Be sure to reactivate it once the installation or update is complete to maintain system security.

What are the specific steps to update user privileges for files causing Error 1321?

To update user privileges for files causing Error 1321, you should follow the steps mentioned in the troubleshooting method specific to this issue. The steps may vary depending on your Windows version.

Can I use the QuickBooks install diagnostic tool to resolve error 1321?

Yes, the QuickBooks Install Diagnostic Tool is a helpful option for identifying and fixing installation errors, including Error 1321. Download and run the tool to automatically detect and resolve any issues.

What precautions should I take before adjusting Windows permissions in QuickBooks?

Before adjusting Windows permissions, make sure to back up your data, create a restore point, and ensure you have administrator rights. Additionally, follow the specific instructions provided for your Windows version and QuickBooks edition.

How can I reinstall QuickBooks after resolving Error 1321?

After resolving Error 1321, you can perform a clean reinstallation of QuickBooks by uninstalling the existing installation and then reinstalling the software with the latest version.

Are there any QuickBooks support options available if I can’t resolve Error 1321 on my own?

Yes, QuickBooks offers customer support options, including a helpline and online resources. If you encounter difficulties resolving Error 1321, don’t hesitate to reach out to QuickBooks support for expert assistance and guidance.

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