Copy paste the first few lines of the AC window before the crash, if you can. The lines will look something like (although yours won't have datestamps):
If it crashes before you can copy-paste those lines, append
to your assaultcube.bat, after the %1 %2 %3 etc. and copy paste from "log.txt".
[SELECT ALL] Code:
Jan 22 19:41:56 Using home directory: C:\Users\Gibstick\Documents\AssaultCube_v1.1.0.4
current locale: English_Canada.1252
Jan 22 19:41:56 init: sdl
Jan 22 19:41:57 init: net
Jan 22 19:41:57 init: world
Jan 22 19:41:57 init: video: sdl
Jan 22 19:41:57 init: video: mode
Jan 22 19:41:59 init: video: misc
Jan 22 19:41:59 init: gl
Jan 22 19:41:59 Renderer: GeForce GT 330M/PCI/SSE2 (NVIDIA Corporation)
Jan 22 19:41:59 Driver: 3.3.0
Jan 22 19:41:59 init: console
Jan 22 19:42:00 init: sound
Jan 22 19:42:00 Audio devices:
Jan 22 19:42:00 Sound: Generic Software / Software (Creative Labs Inc.)
Jan 22 19:42:00 Driver: 1.1
Jan 22 19:42:00 init: cfg
Jan 22 19:42:01 init: models
Jan 22 19:42:03 init: docs
Jan 22 19:42:03 init: localconnect
If it crashes before you can copy-paste those lines, append
[SELECT ALL] Code:
>> log.txt