hi,
i even tried *underclocking* my gtx 260 as well as any suggested solutions here from xp-mode to different settings ingame & graphiccard, windowed mode...
i also took a look on too high temperatures of cpu and gpu - nothing. the only thing that seems to help a bit was setting graphicmemory to very high (but its still far away from fixing those ctds). still arma quits - sometimes while saving, sometimes after flickering graphics and sometimes just suddenly.
most of the time arma2.exe is still in the taskmanager after ctd with memory using but no cpu. the only thing i didnt try so far is turning ht off - well thats my next step. ill post, if something changes for me with that.
regards
gedi