A workaround/solution is easy: Resize your current resolution at home. This will bring all open programs onto the single screen. Then change back to the desired resolution.
Also see this similar question where the correct answer is listed:
Click the icon in the taskbar to ensure that the program has focus. Then hold down the Windows key and press the right-arrow a few times. That should move the window across your screens and eventually bring it back onto the screen that is still active. Original technet article