https://help.myob.com/wiki/x/4KUHAQ
ANSWER ID:36695
The following error can occur when installing AccountRight v19:
This error means there's a process on your computer which is interfering with the installation. To fix it, you'll need to stop the interfering process.
Solution
- Click Cancel to close the error message.
- Simultaneously press the Ctrl, Shift and Esc keys on your keyboard.
The Windows Task Manager window appears. - Click the Processes tab.
- Click to highlight the process called agent.exe then click End Process. The process name may or may not include "*32" as shown in our example.
- At the following confirmation prompt, click End process.
- On the Windows Task Manager window, go to the File menu and choose Exit Task Manager.
Error still occuring? Try right-clicking the AccountRight installation file and choosing Run as administartor.