Control Click is inconsistent

[r3dlined]

I am having a hard time in general with Autoit being a little inconsistent in it's performance. It seems a script will run fine a few times and then it will just fail to click a button. This certainly could be from the host machines software not being able to keep up, but I am still trying to nail it all down.

One line that seems to work only some of the time is the following: ControlClick("Display Duplicate Patients", "", "[TEXT:OK]"). I have taken screenshots on this step failing and I can see the OK button is highlighted like it had been clicked, but the window did not close itself as it should have. Is it more consistent to use an actual mouse click? I'd like to stay away from that if possible since the buttons could move with another software generation.

Thanks in advance for the help.