QuickBooks is an advanced accounting software that is a favorite for small and mid-sized business owners all around the world. The best part is that its developers keep introducing new updates to make it easy to use and error-free. However, we all understand, no software can be completely free from errors. In this blog post, we are going to discuss QuickBooks Error Code 1321 that appears when you attempt to install or update your company file.
While you are installing or updating your software, you see Error code 1321, followed by one of these messages:
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\sdkeventl.DLL
The installer has insufficient privileges to modify the file C:\Program Files\Intuit\QuickBooks Point of Sale X.0\dataimporter.exe
The installer has insufficient privileges to modify the file C:\Program Files\Intuit\QuickBooks\CfScan.DLL
The installer has insufficient privileges to modify the file 
Note: The actual .dll file name will vary in the error. If you choose the Retry option, you may see more than one error messages and the installation or update process may fail.
How to identify QuickBooks Error 1321?
It’s simple to identify this error. When it happens, you receive an error message on your computer screen that may read, “System doesn’t have sufficient privileges to modify this file.” One or more of the following reasons may trigger this issue:
- The speed of copying the file is slower than the speed of file update.
- Your antivirus or other security software is blocking QuickBooks.
- The folder that has your company file stored has windows restrictions.
- The QuickBooks file is either in use or is damaged.
How to troubleshoot QuickBooks Error 1321?
You should have to follow these technical methods in order to resolve the QuickBooks error code 1321. In case, you need instant help from the experts then you can go with QuickBooks enterprise support team. They will look forward to your concern and provide you a feasible solution.
Check out these technical solution methods:
Solution 1: Install and run QuickBooks Install Diagnostic tool on your computer
- Firstly you have to download and install the “QuickBooks Install diagnostic tool” on your PC.
- After that hit a click on “Run” button to execute it.
- Hit a click on “Scan now” button now.
- The “QBinstall tool” will automatically detect the problem and try to diagnose it.
Solution 2: If the speed of copying the file is slower than the speed of file update:
- Click “Retry” to allow the update to complete.
- If the update fails then click “Cancel” the error message.
Solution 3: Turn off the Antivirus and try to update the file
- You have to manually disable your antivirus program or system security programs.
- Now try to update your QuickBooks company file.
Solution 4: Create a new user account with administrative privileges
- Click on the “Start” button on the screen or press the “Start” key on your keyboard.
- Go to “Control Panel” and choose “Users/Accounts“.
- Select “New User.”
- Provide a name for the account and set it as an administrator.
- Click “Create account” to create a new one.
- Log out of the current account and log in to the new account.
Solution 5: Update the user privileges to modify your file
- The error message box will exhibit the error generated during the update installation process. In the given example, “AcrobatConnect.cfg” produced the error message.
- Error 1321: The Installer has insufficient privileges to modify the file. C:\Windows\system32\Macromed\Flash\FlashPlayerTrust\AcrobatConnect.cfg. Action ended xx:xx:xx: Install Validate.
- Now you can set the privileges for the folder stated in the error message, for example, “\Windows\system32\Macromed\Flash\FlashPlayerTrust\AcrobatConnect.cfg“
Changing permissions in Windows XP Professional
Before you begin, check out hidden files in the computer and ensure that simple file sharing is disabled. Check Display hidden files and folders, and simple file sharing on the support website of Microsoft.
- In Windows Explorer, go to the parent folder listed in QuickBooks error 1321 message in your log file.
- For Example, in the path “c:\Windows\system32\Macromed\Flash\FlashPlayerTrust\AcrobatConnect.cfg” the parent folder is always “FlashPlayerTrust“. In the error message that you received, the parent folder could be different.
- Right-click on the parent folder and select “Properties” tab.
- Open the “Properties” window and click on “Security tab” .
- Select “Administrators” in Group Or User Names.
Changing permissions in Windows XP Home
- Restart your computer.
- Press the “F8 key” on your keyboard as soon as the “Windows logo” appears. Using the down arrows key and select “Safe Mode” with Networking and hit “Enter” key.
- Follow the instructions provided in “Update user privileges” in Windows XP Professional.
- Restart the computer again before reinstalling your software and tools.
- Select “System in Group” or “User Names“.
- In Permissions for System field, Full Control should be allowed.
- While in the “Security tab“, click on “Advanced“.
- Once in the “Advanced Security Settings” window, verify you are on the “Permissions” tab.
- Select “Replace Permission Entries on All Child Objects with Entries Shown Here That Apply to Child Objects” and then select “OK” button.
- Click “OK” and close the “Properties” window.
- Install/Update your QuickBooks file again.
We hope that by the time you reach this part of the blog post, you’re able to install or update your company file. In case the QuickBooks Error 1321 persists, you can contact our certified QuickBooks support technicians at toll-free +1-866-707-7925 for quick and precise solutions.