When
My Screen Recorder Pro is hidden during recording, it's icon is removed from the task bar.
The icon is still visible in the icon system tray and you can double click it to restore My Screen Recorder Pro to your screen. Using the shortcut key for stop recording will also restore it to the screen.
You can change the 'hide' function by clicking Tools >> Settings >> General. De-select the check box for 'Hide Application from Task Bar'