Hello,
You can use Wait for screen change command, the task will wait for the amount of seconds you specified before it starts comparing the captured image to current image. After that, it continuously compares the image in marked rectangular section to captured image. As soon as the captured image and the current image differ, it stops comparing and goes to the next command. However, if the images do not differ in the specified amount of time then it either stops the task or goes to the next command as specified by you. If your screen is taking time to change then you can increase the time before you stop comparing the images.
Alternatively, you can capture any control on window whose value will change and can loop until the value of that particular control is empty. Inside loop block you can insert commands to re-click a control.
Hope that helps.
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