Here some tweaks to improve framerate.

[Bertram W. Wooster]

For those who are experiencing crashes, try purging the cache in your documents folder. On Win7, this is in:

C:\Users\<USERNAME>\Documents\1C SoftClub\il-2 sturmovik cliffs of dover\cache

Just delete all the files in that folder. They will be regenerated the next time you run CoD.