This is a community-made plugin that fixes a infamous known memory leak and prevents crashes related to transit query popups and missing automata. Custom Content (The NAM)

Because Maxis no longer hosts these files, the community has archived them on reliable fan sites:

These are common on modern Windows versions. Navigate to your installation directory, right-click SimCity 4.exe , go to > Compatibility , and check "Run this program in compatibility mode for Windows XP (Service Pack 3)". Also, check "Run as Administrator".