Answer
If you have downloaded the program and see the warning Windows protected your PC, this is a false alarm that can occur when we renew the security certificate used to code-sign Lightning Payroll. This warning disappears with time, once Microsoft recognises that the new certificate belongs to us.
To continue, click More info and then Run anyway.
Note: Intellitron Pty Ltd is the correct, verified publisher of Lightning Payroll, based in Queensland, Australia, as shown in the pictures below.

