I figure this is a bug that happened in the rare cases where people expand the land... After getting land expansion, and expanding to the north, I get a black dot appearing every few seconds in the top land. Specifically, one tile turns completely black for a fraction of a second, and then turns bac...

Version 1.3 (on the main page)

And I applied the patch too...

And did it in C:\Games\Darwinia...

Nothing worked... and I am still missing the file (that said, I now can see 'preferences' and 'blackbox'.... at least THAT is an improvement...)

But its the same old music file...

I have exactly the same problem... I have the demo btw... but I have two problems. #1: I did exactly what you said I should do, unzipped the .dat file, and sure enough, there were TONS of .ogg files. HOWEVER, the one which is causing the error (dma_sc_visitors_from_dreams.*) is not in that folder......