Many thanks Chris - A bit more info here on my set up -

Processor Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz 4.00 GHz
Installed RAM 32.0 GB
System type 64-bit operating system, x64-based processor
Edition Windows 10 Pro
Version 22H2
OS build 19045.4291
Experience Windows Feature Experience Pack 1000 ...

For the last two days I am unable to play the game due to a run time error. I cannot load any save game or scenario as it crashes every time. I am not aware of any changes I have made to my PC and reading here have reinstalled the game.

i am playing via steam fYI.

Really appreciate any help after ...