My roommate and I are having the same issue. We just re-subbed a few days ago since leaving shortly after the 1.2 patch. Never had this problem before during beta through 1.2. If it truly has been a known issue since 1.4, that makes me pretty sad.
I got a new PC in October and when I played this game -before-? Never had this problem once, and it only happens at that specific time. It never crashes to desktop any other time for me, I as in beta too, though I couldn't do any flashpoints then, I -did- start playing at the early launch.