If it is the Autoplay menu you want to pop up: With the camera connected and switched on, in Windows Explorer, rightclick and choose Properties, Autoplay tab. and put dot in 'Prompt me each time to choose an action' Click on Apply, OK. (or try each one with your auntie watching until you have it back to how she wants it)
If the pc is only seeing it as a usb mass storage device and you want the Scanners & Camera Wizard to popup: With the camera connected and switched on - Look at/Check the settings in Control Panel. Scanners and Cameras. You may have to click on 'Add Device'.