Hi Razoleg
The game crashing while loading a game save will be down to your OS compatibility with SH3.
I have no experience of Windows 8 but it may need to run in Windows 7 or XP mode.
Having updated your drivers you also need to check out your GPU settings.
I would first check this out.
Post #3 Installing Or Re-Installing SH3 Correctly + OS Compatibility Modes.
Post #6 Running Applications As An Administrator.
Post #7 Changing Nvidia And AMD Radeon GPU Settings
Peter