Thanks for the advice. What wonders me is that Windows don't talk about uninstalling 'Panzer Corps' as a whole, but only about uninstalling 'Panzer Corps Grand Campaign MegaPack 39-45'.
I hope the MegaPack will continue to function under Windows 8.1 ?

This morning, my pc wants to upgrade to Windows 8.1, but tells me that before it can proceed, I have to remove the app 'Panzer Corps Grand Campaign MegaPack 39-45'. Since I've just conquered Moscow in the '41 campaign, I don't want to lose my saved games. What can I do to save my game and neverthele...