DroboCopy Will Not Run On Consecutive Days

I have DroboCopy set up to run a backup every day at a specified time. Here is the issue. If I turn my computer off at night and then turn it back on in the morning, then the daily DroboCopy will execute at the specified time. However, if I do not turn off my computer at night then the DroboCopy will not execute at the specified time the next day. Anyone else having this issue?