QuickBooks Error 1321 sometimes occurs because the antivirus or security software is conflicting with or blocking the accounting software. You can refer to the steps below to fix Error 1321:
- Step 1: Click on the antivirus icon on your desktop or taskbar.
- Step 2: Disconnect the PC from the Internet and proceed.
- Step 2: Go to the setting and temporarily disable your antivirus.
- Step 3: Go back to QuickBooks and complete the installation or update.
- Step 4: Re-enable your antivirus or security software.
If you find that Error 1321 still appears then you can call the QuickBooks helpline number and ask for additional technical assistance.
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