This message is caused by your anti-virus or backup software (or other third party software) preventing BankLink Books from starting.
To fix this error, you need to delete a file called SYSTEM.$ $ $ from the BankLink Books folder. To find this file, you'll need to ensure file extensions are visible on your computer.
Right-click the BankLink Books shortcut on your desktop and click Open File Location. The location opens showing the files and folders contained in this folder.
Right-click the file called SYSTEM.$ $ $ and choose Delete.
Click Yes to the confirmation message.
Start BankLink Books.
If the error occurs when starting BankLink Practice, please contact BankLink Support for further assistance.