Using version 1.034.2: During Remove Light Pollution (but probably also applies for the other tools on the 9) TOOLS tab) the other buttons were not disabled after the Calculate button was pressed. When during calculating the OK button is pressed APP will hang…
I found the problem, the calibration files were not yet created (maybe registering should be prevented when no calibration files were created). After creating the calibrated files registering still failed but after doing another star analyses action registering worked as intended…