Thanks BoDEAN. Microsoft has released a patch for FS2004

The patch covers a number of issues:

Fixed Autogen performance degradation
Fixed Seasonal Crash to Desktop
Improved Digital Elevation Mesh Support
Replaced Missing Landmark Bridges
Added Autogen Objects to KJFK Satellite Photo
Fixed Multiple Sporadic Crashes
Fixed the Incorrect Check Ride Certificate
Improved Support for Matrox Parhelia Cards
Fixed multiplayer support

Download