I have now sorted out the problem.
Weird solution but it worked: re-downloaded the original version and installed it over the update.

Thanks for the advice. I had to disable my antivirus (Bitdefender) to download the program. However, there are no log files available as I cannot open the game at all. There is no folder for PC2 under my games. When I press the exe. icon, I get the message as detailed above Failed to open descriptor...

Downloaded Panzer Corps 2 Had problems with the VC140_1 runtime dll. As per advice on this forum, downloaded the Dx runtime files. Now on trying to start the game: I get the message: Failed to open descriptor file ../../../PanzerCorps2/PanzerCorps2.uproject My system is: CPU: i9-9900k@3.60GHz Proces...