There's a link on the SimCity 4 Website for this page with an ActiveX dealie that will download and install an update for SimCity 4. Thanks Quboid, who sends along info from the read me, here's a bit of that: "Fixed crash related to conflict between MySim and Transportation Pack. Fixed crash related to SIS video chipsets. Fixed several broken links in advisor messages. Fixed car zots to display properly. Fixed bug where the catalog was showing the incorrect capacity for the Recycling Center. Fixed bug where industry development would occur even when commuters could not reach the zone. Added support for ATI Radeon R300 series that add backing store capability..."