(We've heard conflicting things from users with exactly 4GB RAM, though in theory, it shouldn't work because of how the 4GB Patch works. bat file uses the Windows Registry to determine the location of SimCity 4.exe to apply the 4GB Patch to it). going from disc to digital, or between different digital editions), and there's still registry entries pointing to the old installation (the. There's a number of reasons this can happen, such as if you happen to have switched versions of the game since your last NAM installation (i.e.
The 4GB Patch, in spite of the messages you got in the process, wasn't installed properly. If it's doing a crash-to-desktop (CTD) on load, that's a classic memory access issue-there's three possible culprits: