Error: "AMYUNI driver failed"

This error is caused by a corrupt PDF driver in your Payroll files. To fix the error, you'll need to complete the following tasks:

1. Remove the MYOB AO PDF Generator

Access the list of printers installed on your computer:

If you're using	Do this
Windows 10	Click the Windows Start button and type printers then click Printers & scanners in the list of results.
Windows 8	Right-click your start button and choose Control Panel, then click Devices and Printers.
Windows 7	Click the Windows Start button and choose Devices and Printers.

Remove the MYOB AO PDF Generator.
- In Windows 10: In the list of installed printers, click MYOB AO PDF Generator and choose Remove device.
- In Windows 7 or 8: In the list of installed printers, right-click MYOB AO PDF Generator and choose Delete.
Click Yes to the confirmation message.

2. Update the driver

Right-click the driver installation file (AmyPDFReinstall.exe) and choose to save it to your Payroll folder (C:\Program Files (x86)\MYOB\Payroll).
Simultaneously press the Windows
and E keys on your keyboard (the Windows
key is between the Ctrl and Alt keys). Your computer's folders and files are displayed.
Open your Payroll folder (C:\Program Files (x86)\MYOB\Payroll).
Double-click the downloaded file (AmyPDFReinstall.EXE). The driver will be installed.
When complete, click OK. You can now open MYOB Payroll.